315591920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19433}}^1$

素因数の和:19482

約数の個数: 80

約数和(自身を含む): 867533760

約数和(自身を除く): 551941840

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, 8120, 16240, 19433, 38866, 77732, 97165, 136031, 155464, 194330, 272062, 310928, 388660, 544124, 563557, 680155, 777320, 1088248, 1127114, 1360310, 1554640, 2176496, 2254228, 2720620, 2817785, 3944899, 4508456, 5441240, 5635570, 7889798, 9016912, 10882480, 11271140, 15779596, 19724495, 22542280, 31559192, 39448990, 45084560, 63118384, 78897980, 157795960, 315591920]

約数ペア:

[(1, 315591920), (2, 157795960), (4, 78897980), (5, 63118384), (7, 45084560), (8, 39448990), (10, 31559192), (14, 22542280), (16, 19724495), (20, 15779596), (28, 11271140), (29, 10882480), (35, 9016912), (40, 7889798), (56, 5635570), (58, 5441240), (70, 4508456), (80, 3944899), (112, 2817785), (116, 2720620), (140, 2254228), (145, 2176496), (203, 1554640), (232, 1360310), (280, 1127114), (290, 1088248), (406, 777320), (464, 680155), (560, 563557), (580, 544124), (812, 388660), (1015, 310928), (1160, 272062), (1624, 194330), (2030, 155464), (2320, 136031), (3248, 97165), (4060, 77732), (8120, 38866), (16240, 19433)]