#include <bits/stdc++.h>

using namespace std;

using int64 = long long;


int main() {
  int P, Q;
  cin >> P >> Q;

  vector< pair< pair< int, int >, int > > rad;
  int ptr = 1;
  while(ptr <= P) {
    int ok = ptr, ng = P + 1;
    int real = P / ptr;
    while(ng - ok > 1) {
      int mid = (ok + ng) / 2;
      if(P / mid == real) ok = mid;
      else ng = mid;
    }
    rad.emplace_back(make_pair(ptr, ok), P / ptr);
    ptr = ok + 1;
  }


  auto get = [&](int L, int R) {
    __int128_t add = 1LL * P * (R - L + 1);
    for(auto &p : rad) {
      auto range = p.first;
      auto val = p.second;
      int latte = max(range.first, L);
      int malta = min(range.second, R);
      if(latte > malta) continue;
      add += val * (1LL * latte * (latte - 1) / 2);
      add -= val * (1LL * malta * (malta + 1) / 2);
    }
    return (int64) add;
  };

  while(Q--) {
    int L, R;
    cin >> L >> R;
    cout << get(L, R) << endl;
  }

}