SP12809 MATHII - Yet Another Mathematical Problem

Description

Calculate the number of ordered triples of positive integers (_a_, _b_, _c_) such that their multiple _abc_ is not larger than a given integer **N** (1

Input Format

Each test case contains a single line - **N**. Input terminates by EOF.

Output Format

For each test case output its case number (starting from 1) and the answer in a single line.