Solution 037969ee-5fa3-4b28-82d0-358edb0abcc9

Points: 1 pt

We found every divisor in pairs. Notice:

$i$ | $60/i$ 

1 | 60 

2 | 30 

3 | 20 

4 | 15 

5 | 12 

6 | 10 

If
\[
i\mid 60,
\]
then
\[
60/i\mid 60
\]
because
\[
i\left(60/i\right)=60.
\]