N,K=map(int,input().split())
mod=10**9+7

import math

def fact(x):
    L=int(math.sqrt(x))

    FA=dict()

    for i in range(2,L+2):
        while x%i==0:
            FA[i]=FA.get(i,0)+1
            x=x//i

    if x!=1:
        FA[x]=FA.get(x,0)+1

    return FA


FACT=[1]
for i in range(1,10**6+1):
    FACT.append(FACT[-1]*i%mod)

FACT_INV=[pow(FACT[-1],mod-2,mod)]
for i in range(2*10**5,0,-1):
    FACT_INV.append(FACT_INV[-1]*i%mod)

FACT_INV.reverse()

def Combi(a,b):
    if 0<=b<=a:
        return FACT[a]*FACT_INV[b]*FACT_INV[a-b]%mod
    else:
        return 0


F1=fact(N)
F2=fact(K)

LIST=[]

for f in F1:
    if f in F2:
        LIST.append(f)

ANS=0
count=1

from itertools import combinations

for i in range(1,len(LIST)+1):
    L=list(combinations(LIST,i))
    for l in L:
        x=1
        for ls in l:
            x*=ls

        ANS=(ANS+Combi(N//x,K//x)*count)%mod

    count*=-1


print(ANS)