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

kn = []
for i in range(1, int(k**0.5)+1):
    if k % i == 0:
        if i != 1 and k//i <= 2*n:
            kn.append([i, k//i])

z = 0
for i, j in kn:
    if i == j:
        z = 1
    else:
        x = 0
        y = 0
        if 2 <= i <= n+1:
            x = i - 1
        elif n+2 <= i <= 2*n:
            x = 2*n + 1 - i
        if 2 <= j <= n+1:
            y = j - 1
        elif n+2 <= j <= 2*n:
            y = 2*n + 1 - j
        z += (x * y) * 2
print(z)