d=[]
f=->x,n,i{n<2?$.+=1: i.upto(d.size-1){|i|d[i]**n>x||x%d[i]>0||f[x/d[i],n-1,i]}}
eval'N,X='+gets.split*?,+'+1'
2.upto(X**0.5){|i|d|=[i,X/i]if X%i<1}
d=d.sort
f[X,N,0];
p$.-1