31557630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80917}}^1$

素因数の和:80940

約数の個数: 32

約数和(自身を含む): 81565344

約数和(自身を除く): 50007714

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80917, 161834, 242751, 404585, 485502, 809170, 1051921, 1213755, 2103842, 2427510, 3155763, 5259605, 6311526, 10519210, 15778815, 31557630]

約数ペア:

[(1, 31557630), (2, 15778815), (3, 10519210), (5, 6311526), (6, 5259605), (10, 3155763), (13, 2427510), (15, 2103842), (26, 1213755), (30, 1051921), (39, 809170), (65, 485502), (78, 404585), (130, 242751), (195, 161834), (390, 80917)]