90245680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5557}}^1$

素因数の和:5606

約数の個数: 80

約数和(自身を含む): 248109120

約数和(自身を除く): 157863440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 5557, 8120, 11114, 16240, 22228, 27785, 38899, 44456, 55570, 77798, 88912, 111140, 155596, 161153, 194495, 222280, 311192, 322306, 388990, 444560, 622384, 644612, 777980, 805765, 1128071, 1289224, 1555960, 1611530, 2256142, 2578448, 3111920, 3223060, 4512284, 5640355, 6446120, 9024568, 11280710, 12892240, 18049136, 22561420, 45122840, 90245680]

約数ペア:

[(1, 90245680), (2, 45122840), (4, 22561420), (5, 18049136), (7, 12892240), (8, 11280710), (10, 9024568), (14, 6446120), (16, 5640355), (20, 4512284), (28, 3223060), (29, 3111920), (35, 2578448), (40, 2256142), (56, 1611530), (58, 1555960), (70, 1289224), (80, 1128071), (112, 805765), (116, 777980), (140, 644612), (145, 622384), (203, 444560), (232, 388990), (280, 322306), (290, 311192), (406, 222280), (464, 194495), (560, 161153), (580, 155596), (812, 111140), (1015, 88912), (1160, 77798), (1624, 55570), (2030, 44456), (2320, 38899), (3248, 27785), (4060, 22228), (5557, 16240), (8120, 11114)]