28675620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:623

約数の個数: 120

約数和(自身を含む): 93020928

約数和(自身を除く): 64345308

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, 571, 620, 810, 837, 930, 1116, 1142, 1395, 1620, 1674, 1713, 1860, 2284, 2511, 2790, 2855, 3348, 3426, 4185, 5022, 5139, 5580, 5710, 6852, 8370, 8565, 10044, 10278, 11420, 12555, 15417, 16740, 17130, 17701, 20556, 25110, 25695, 30834, 34260, 35402, 46251, 50220, 51390, 53103, 61668, 70804, 77085, 88505, 92502, 102780, 106206, 154170, 159309, 177010, 185004, 212412, 231255, 265515, 308340, 318618, 354020, 462510, 477927, 531030, 637236, 796545, 925020, 955854, 1062060, 1433781, 1593090, 1911708, 2389635, 2867562, 3186180, 4779270, 5735124, 7168905, 9558540, 14337810, 28675620]

約数ペア:

[(1, 28675620), (2, 14337810), (3, 9558540), (4, 7168905), (5, 5735124), (6, 4779270), (9, 3186180), (10, 2867562), (12, 2389635), (15, 1911708), (18, 1593090), (20, 1433781), (27, 1062060), (30, 955854), (31, 925020), (36, 796545), (45, 637236), (54, 531030), (60, 477927), (62, 462510), (81, 354020), (90, 318618), (93, 308340), (108, 265515), (124, 231255), (135, 212412), (155, 185004), (162, 177010), (180, 159309), (186, 154170), (270, 106206), (279, 102780), (310, 92502), (324, 88505), (372, 77085), (405, 70804), (465, 61668), (540, 53103), (558, 51390), (571, 50220), (620, 46251), (810, 35402), (837, 34260), (930, 30834), (1116, 25695), (1142, 25110), (1395, 20556), (1620, 17701), (1674, 17130), (1713, 16740), (1860, 15417), (2284, 12555), (2511, 11420), (2790, 10278), (2855, 10044), (3348, 8565), (3426, 8370), (4185, 6852), (5022, 5710), (5139, 5580)]