using System;

public class Hello
{
    static void Main()
    {
        var n = long.Parse(Console.ReadLine().Trim());
        var k = long.Parse(Console.ReadLine().Trim());
        getAns(n, k);
    }
    static long calc(long n, long a)
    {
        if (a > 2 * n + 1) return 0;
        if (a <= n) return a - 1;
        return 2 * n - a + 1;
    }
    static void getAns(long n, long k)
    {
        var ans = 0L;
        for (long i = 2; i * i <= k; i++)
        {
            if (k % i == 0)
            {
                var te = calc(n, i);
                if (k / i != i) ans += te * calc(n, k / i) * 2;
                else ans += te * te;
            }
        }
        Console.WriteLine(ans);
    }
}