Is 780 an abundant number and what is its abundance?

Is 780 an abundant number?

Here we will explain and calculate if 780 is an abundant number and its abundance if applicable.

780 is an abundant number if the sum of its proper divisors is greater than 780.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 4 + 5 + 6 + 10 + 12 + 13 + 15 + 20 + 26 + 30 + 39 + 52 + 60 + 65 + 78 + 130 + 156 + 195 + 260 + 390 = 1572.

1572 is greater than 780. Therefore, 780 is an abundant number.

The abundance of 780 is the sum of its proper divisors minus 780. Thus, the abundance of 780 is 1572 - 780 = 792

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