31407870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2777}}^1$

素因数の和:2829

約数の個数: 64

約数和(自身を含む): 84006720

約数和(自身を除く): 52598850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 2777, 3770, 5554, 5655, 8331, 11310, 13885, 16662, 27770, 36101, 41655, 72202, 80533, 83310, 108303, 161066, 180505, 216606, 241599, 361010, 402665, 483198, 541515, 805330, 1046929, 1083030, 1207995, 2093858, 2415990, 3140787, 5234645, 6281574, 10469290, 15703935, 31407870]

約数ペア:

[(1, 31407870), (2, 15703935), (3, 10469290), (5, 6281574), (6, 5234645), (10, 3140787), (13, 2415990), (15, 2093858), (26, 1207995), (29, 1083030), (30, 1046929), (39, 805330), (58, 541515), (65, 483198), (78, 402665), (87, 361010), (130, 241599), (145, 216606), (174, 180505), (195, 161066), (290, 108303), (377, 83310), (390, 80533), (435, 72202), (754, 41655), (870, 36101), (1131, 27770), (1885, 16662), (2262, 13885), (2777, 11310), (3770, 8331), (5554, 5655)]