require'prime'
n,x=gets.split.map &:to_i
a=(x+1).prime_division.map{|k,v|(0..v).map{|i|k**i}}
b=a.shift.product(*a).map{|e|e.reduce(:*)}.sort[1..-1]
m={}
f=->x,n,d,a{
return 1 if x==1&&n==0
return 0 if x==1||n==0
m[[x,n,d]]||=lambda{
r=0
(d...a.size).each{|i|r+=f.(x/a[i],n-1,i,a) if x%a[i]==0}
r
}.()
}
p f.(x+1,n,0,b)