n = int(input())
k = int(input())

def count(x):

    if x > 2*n:
        return 0

    if x <= n+1:
        return x-1
    
    dif = x-(n+1)
    return n - dif

ans = 0
for i in range(2,int(k**0.5)+1):

    if k%i:
        continue

    x = i
    y = k//i
    if y == 1:
        continue
    
    if x == y and count(x) == 1:
        ans += 1
    else:
        ans += 2*count(x)*count(y)
print(ans)