N = int(input())
K = int(input())


def make_divs(n):
    divs = set()
    i = 1
    while i * i <= n:
        if n % i == 0:
            divs.add(i)
            divs.add(n // i)
        i += 1
    return divs


def cnt(x):
    l = max(1, x - N)
    r = min(x - 1, N)
    return max(0, r - l + 1)


ans = 0
for d in make_divs(K):
    ans += cnt(d) * cnt(K // d)
print(ans)