import sys

sys.setrecursionlimit(200005)
# sys.set_int_max_str_digits(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()

dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
# inf = -1-(-1 << 31)
inf = -1-(-1 << 62)

# md = 10**9+7
md = 998244353

from functools import cache

@cache
def factors(a):
    if a<=0:return [0]
    dd0,dd1=[],[]
    for d in range(1,round(a**0.5)+1):
        if a%d:continue
        dd0.append(d)
        dd1.append(a//d)
    if dd0[-1]==dd1[-1]:dd1.pop()
    return dd0

@cache
def cal(x,n,mn=2):
    if n==1:return 1
    res=0
    for f in factors(x):
        if f<mn:continue
        res+=cal(x//f,n-1,f)
    return res

n,x=LI()
print(cal(x+1,n))