60, 72, 84, 90 and 96 each have 12 factors.
Chat with our AI personalities
2 and 5
You can find a chart in the Wikipedia article on "sunspot".
It is: 100
the only factors of 180 greater than 50 but least than 100 is 60 and 90 =)
11,22,33,44,55,66,77,88,99