import sys
input=lambda: sys.stdin.readline().rstrip()
n=int(input())
k=int(input())
def make_divisors(n):
  divisors=[]
  for i in range(1,int(n**0.5)+1):
    if n%i==0:
      divisors.append(i)
      if i!=n//i:
        divisors.append(n//i)

  divisors.sort()
  return divisors

def f(x):
	if x>2*n:
		return 0
	elif n<x-1:
		return n-(x-n)+1
	else:
		return x-1

P=make_divisors(k)
ans=0
for p in P:
	ans+=f(p)*f(k//p)
print(ans)