72780420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1213007}}^1$

素因数の和:1213019

約数の個数: 24

約数和(自身を含む): 203785344

約数和(自身を除く): 131004924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1213007, 2426014, 3639021, 4852028, 6065035, 7278042, 12130070, 14556084, 18195105, 24260140, 36390210, 72780420]

約数ペア:

[(1, 72780420), (2, 36390210), (3, 24260140), (4, 18195105), (5, 14556084), (6, 12130070), (10, 7278042), (12, 6065035), (15, 4852028), (20, 3639021), (30, 2426014), (60, 1213007)]