x,K,M=map(int,input().split())


import math 
L=int(math.sqrt(x))

FACT=dict()

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

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

for x in FACT:
    FACT[x]*=K

L=list(FACT.keys())
LEN=len(L)
ANS=[]

def divi(i,NOW):
    #print(i,NOW)
    if i==LEN:
        ANS.append(NOW)
        return
        
    for j in range(FACT[L[i]]+1):
        if (L[i]**j)*NOW<=M:
            divi(i+1,(L[i]**j)*NOW)
        else:
            break

divi(0,1)

print(len(ANS))