func_code_string: #include <bits/stdc++.h>   int a, b, c, prad[1000001];   using namespace std;   int main() {     long long pro = 0;     for (int i = 1; i < 1000001; ++i) {       for (int j = 1; j * i < 1000001; ++j) {         ++prad[j * i];       }     }     cin >> a >> b >> c;     for (int j = 1; j < a + 1; ++j)       for (int ja = 1; ja < b + 1; ++ja)         for (int ha = 1; ha < c + 1; ++ha) {           pro += prad[ha * ja * j];           long long ta = pro >> 30;           ta << 30;           pro = pro - ta;         }     cout << pro;   }   