What is the sum of all the positive factors of 180?

First, you must find all of the positive factors of 180; they are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, and 180. Next, you must add them all. After completing all of these steps, you will find that their sum is 546.