import java.util.Scanner;
import java.lang.Math;
import java.io.*;

public class Problem2 {
	public static void main(String args[]) {
		try {
			Scanner in = new Scanner(new File("DATA2.txt"));
			PrintWriter out = new PrintWriter("OUT2.txt");
			
			for (int i = 0; i < 5; i++) {
				int squares = in.nextInt();
				int numOfRect = 0;
				
				for (int j = squares; j > 0; j--) {
					for (int k = 1; k <= (int) Math.sqrt((float) j); k++) {
						if (j%k == 0) {
							numOfRect++;
						}
					}
				}
				System.out.print(numOfRect);
				out.print(numOfRect);
				
				if (i != 4) {
					out.print("\n");
				}
			}
			
			out.close();
		}
		catch (IOException e) {
			System.out.println("ERROR");
		}
	}
}