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#F1568. Multiplication Table

    ID: 1574 传统题 2000ms 256MiB 尝试: 0 已通过: 0 难度: 1 上传者: 标签>模拟数论编程与模拟数学入门难度共享题库Codeforces英文题面题目来源题面语言

Multiplication Table

题目描述

A. Multiplication Table
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

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.

Examples
Input
10 5
Output
2
Input
6 12
Output
4
Input
5 13
Output
0
Note

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


题目来源:fps-www.educg.net-codeforce-1-2833.xml.zip;FPS 共享题包,题包内第 1089 题。保留原作者与原赛事署名。