import math

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

divs = set()
for x in range(1, int(math.sqrt(k)) + 1):
  if k % x == 0:
    divs.add(x)
    if x != k // x:
      divs.add(k // x)
  
ans = 0
for x in divs:
  y = k // x
  cnt = 1
  for d in [x, k // x]:
    if 2 <= d <= n + 1:
      cnt *= (d - 1)
    elif n + 2 <= d <= 2 * n:
      cnt *= (2 * n + 1 - d)
    else:
      cnt = 0

  ans += cnt

print(ans)