168711920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5290

約数の個数: 80

約数和(自身を含む): 436138752

約数和(自身を除く): 267426832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 5233, 6448, 8060, 10466, 16120, 20932, 26165, 32240, 41864, 52330, 68029, 83728, 104660, 136058, 162223, 209320, 272116, 324446, 340145, 418640, 544232, 648892, 680290, 811115, 1088464, 1297784, 1360580, 1622230, 2108899, 2595568, 2721160, 3244460, 4217798, 5442320, 6488920, 8435596, 10544495, 12977840, 16871192, 21088990, 33742384, 42177980, 84355960, 168711920]

約数ペア:

[(1, 168711920), (2, 84355960), (4, 42177980), (5, 33742384), (8, 21088990), (10, 16871192), (13, 12977840), (16, 10544495), (20, 8435596), (26, 6488920), (31, 5442320), (40, 4217798), (52, 3244460), (62, 2721160), (65, 2595568), (80, 2108899), (104, 1622230), (124, 1360580), (130, 1297784), (155, 1088464), (208, 811115), (248, 680290), (260, 648892), (310, 544232), (403, 418640), (496, 340145), (520, 324446), (620, 272116), (806, 209320), (1040, 162223), (1240, 136058), (1612, 104660), (2015, 83728), (2480, 68029), (3224, 52330), (4030, 41864), (5233, 32240), (6448, 26165), (8060, 20932), (10466, 16120)]