31805460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 103367880

約数和(自身を除く): 71562420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 677, 783, 810, 870, 1044, 1305, 1354, 1566, 1620, 1740, 2031, 2349, 2610, 2708, 3132, 3385, 3915, 4062, 4698, 5220, 6093, 6770, 7830, 8124, 9396, 10155, 11745, 12186, 13540, 15660, 18279, 19633, 20310, 23490, 24372, 30465, 36558, 39266, 40620, 46980, 54837, 58899, 60930, 73116, 78532, 91395, 98165, 109674, 117798, 121860, 176697, 182790, 196330, 219348, 235596, 274185, 294495, 353394, 365580, 392660, 530091, 548370, 588990, 706788, 883485, 1060182, 1096740, 1177980, 1590273, 1766970, 2120364, 2650455, 3180546, 3533940, 5300910, 6361092, 7951365, 10601820, 15902730, 31805460]

約数ペア:

[(1, 31805460), (2, 15902730), (3, 10601820), (4, 7951365), (5, 6361092), (6, 5300910), (9, 3533940), (10, 3180546), (12, 2650455), (15, 2120364), (18, 1766970), (20, 1590273), (27, 1177980), (29, 1096740), (30, 1060182), (36, 883485), (45, 706788), (54, 588990), (58, 548370), (60, 530091), (81, 392660), (87, 365580), (90, 353394), (108, 294495), (116, 274185), (135, 235596), (145, 219348), (162, 196330), (174, 182790), (180, 176697), (261, 121860), (270, 117798), (290, 109674), (324, 98165), (348, 91395), (405, 78532), (435, 73116), (522, 60930), (540, 58899), (580, 54837), (677, 46980), (783, 40620), (810, 39266), (870, 36558), (1044, 30465), (1305, 24372), (1354, 23490), (1566, 20310), (1620, 19633), (1740, 18279), (2031, 15660), (2349, 13540), (2610, 12186), (2708, 11745), (3132, 10155), (3385, 9396), (3915, 8124), (4062, 7830), (4698, 6770), (5220, 6093)]