from collections import defaultdict
from math import sqrt
def divisor(N):
    ret = []
    for i in range(1,int(sqrt(N))+1):
        if N % i == 0:
            ret.append(i)
            if N // i != i:
                ret.append(N//i)
    ret.sort()
    return ret

N = int(input())
K = int(input())
div = divisor(K)
cnt = defaultdict(int)
for d in div:
    if d < 2 or N * 2 < d:
        continue
    if 2 <= d <= N + 1:
        cnt[d] = d - 1
    else:
        cnt[d] = N * 2 + 1 - d
ans = 0
for ac in div:
    bd = K // ac
    ans += cnt[ac] * cnt[bd]
print(ans)