Is 660 an abundant number and what is its abundance?

Is 660 an abundant number?

Here we will explain and calculate if 660 is an abundant number and its abundance if applicable.

660 is an abundant number if the sum of its proper divisors is greater than 660.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 4 + 5 + 6 + 10 + 11 + 12 + 15 + 20 + 22 + 30 + 33 + 44 + 55 + 60 + 66 + 110 + 132 + 165 + 220 + 330 = 1356.

1356 is greater than 660. Therefore, 660 is an abundant number.

The abundance of 660 is the sum of its proper divisors minus 660. Thus, the abundance of 660 is 1356 - 660 = 696

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