P890 [CF577A] Multiplication Table
入门
题目描述

Let's consider a table consisting of n rows and n columns. The cell located at the intersection of i-th row and j-th column contains number i × j. The rows and columns are numbered starting from 1.

You are given a positive integer x. Your task is to count the number of cells in a table that contain number x.

Input

The single line contains numbers n and x (1 ≤ n ≤ 105, 1 ≤ x ≤ 109) — the size of the table and the number that we are looking for in the table.

Output

Print a single number: the number of times x occurs in the table.

输入格式

见题面 Input 部分

输出格式

见题面 Output 部分

样例输入
10 5
样例输出
2
提示

A table for the second sample test is given below. The occurrences of number 12 are marked bold.