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

div = set()
for i in range(1, int(K**.5)+1):
    if K % i == 0:
        div.add(i)
        div.add(K//i)


def cnt(X):
    L = max(1, X-N)
    R = min(X-1, N)
    return max(0, R-L+1)


ans = 0
for x in div:
    y = K//x
    ans += cnt(x)*cnt(y)
print(ans)