import times, strutils, sequtils, math, algorithm, tables, sets, lists, intsets
import critbits, future, strformat, deques
template `max=`(x,y) = x = max(x,y)
template `min=`(x,y) = x = min(x,y)
template `mod=`(x,y) = x = x mod y
template scan2 = (scan(), scan())
template scan3 = (scan(), scan())
let read* = iterator: string {.closure.} =
    while true: (for s in stdin.readLine.split: yield s)
proc scan(): int = read().parseInt
proc scanf(): float = read().parseFloat
proc toInt(c:char): int =
    return int(c) - int('0')




proc solve():int=
  var
    n = scan()
    k = scan()

  proc getCount(v:int):int=
    return max(0,min(n,v-1)-max(v-n,1)+1)

  for x in 1..int.high:
    if x^2 > k:break
    if k.mod(x)==0:
      var
        y = k.div(x)
      # x <= y
      if x < y:
        result+=getcount(x)*getCount(y)*2
      else:
        result+=getcount(x)*getCount(y)
      



echo solve()