using System;

using System.Collections;           

​

public class Program

{

    public static void Main()

    {

        int[] a = {2, 4};

        int[] b = {16, 32, 96};

        Console.WriteLine(getTotalX(a, b));

    }

    static int getTotalX(int[] a, int[] b) {

        int totaller = 0;

        ArrayList list = new ArrayList();

        int result = 0;

        for(int i = 1; i <= b[0]; i++)

        {

            for(int c = 0; c < a.Length; c++)

            {

                if(i % a[c] == 0)

                {

                    totaller++;

                }

            }

            if(totaller == a.Length)

            {

                list.Add(i);

            }

            totaller = 0;

        }

        for(int x = 0; x < list.Count; x++)

        {

            for(int y = 0; y < b.Length; y++)

            {

                if(b[y] % Convert.ToInt32(list[x]) == 0)

                {

                    totaller++;

                }

            }

            if(totaller == b.Length)

            {

                result++;

            }

            totaller = 0;

        }

        return result;

    }

}