31086180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 100826880

約数和(自身を除く): 69740700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 619, 620, 810, 837, 930, 1116, 1238, 1395, 1620, 1674, 1857, 1860, 2476, 2511, 2790, 3095, 3348, 3714, 4185, 5022, 5571, 5580, 6190, 7428, 8370, 9285, 10044, 11142, 12380, 12555, 16713, 16740, 18570, 19189, 22284, 25110, 27855, 33426, 37140, 38378, 50139, 50220, 55710, 57567, 66852, 76756, 83565, 95945, 100278, 111420, 115134, 167130, 172701, 191890, 200556, 230268, 250695, 287835, 334260, 345402, 383780, 501390, 518103, 575670, 690804, 863505, 1002780, 1036206, 1151340, 1554309, 1727010, 2072412, 2590515, 3108618, 3454020, 5181030, 6217236, 7771545, 10362060, 15543090, 31086180]

約数ペア:

[(1, 31086180), (2, 15543090), (3, 10362060), (4, 7771545), (5, 6217236), (6, 5181030), (9, 3454020), (10, 3108618), (12, 2590515), (15, 2072412), (18, 1727010), (20, 1554309), (27, 1151340), (30, 1036206), (31, 1002780), (36, 863505), (45, 690804), (54, 575670), (60, 518103), (62, 501390), (81, 383780), (90, 345402), (93, 334260), (108, 287835), (124, 250695), (135, 230268), (155, 200556), (162, 191890), (180, 172701), (186, 167130), (270, 115134), (279, 111420), (310, 100278), (324, 95945), (372, 83565), (405, 76756), (465, 66852), (540, 57567), (558, 55710), (619, 50220), (620, 50139), (810, 38378), (837, 37140), (930, 33426), (1116, 27855), (1238, 25110), (1395, 22284), (1620, 19189), (1674, 18570), (1857, 16740), (1860, 16713), (2476, 12555), (2511, 12380), (2790, 11142), (3095, 10044), (3348, 9285), (3714, 8370), (4185, 7428), (5022, 6190), (5571, 5580)]