2176980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 6566784

約数和(自身を除く): 4389804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2791, 5582, 8373, 11164, 13955, 16746, 27910, 33492, 36283, 41865, 55820, 72566, 83730, 108849, 145132, 167460, 181415, 217698, 362830, 435396, 544245, 725660, 1088490, 2176980]

約数ペア:

[(1, 2176980), (2, 1088490), (3, 725660), (4, 544245), (5, 435396), (6, 362830), (10, 217698), (12, 181415), (13, 167460), (15, 145132), (20, 108849), (26, 83730), (30, 72566), (39, 55820), (52, 41865), (60, 36283), (65, 33492), (78, 27910), (130, 16746), (156, 13955), (195, 11164), (260, 8373), (390, 5582), (780, 2791)]