647839120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{9629}}^1$

素因数の和:9700

約数の個数: 60

約数和(自身を含む): 1560117780

約数和(自身を除く): 912278660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 841, 1160, 1682, 2320, 3364, 4205, 6728, 8410, 9629, 13456, 16820, 19258, 33640, 38516, 48145, 67280, 77032, 96290, 154064, 192580, 279241, 385160, 558482, 770320, 1116964, 1396205, 2233928, 2792410, 4467856, 5584820, 8097989, 11169640, 16195978, 22339280, 32391956, 40489945, 64783912, 80979890, 129567824, 161959780, 323919560, 647839120]

約数ペア:

[(1, 647839120), (2, 323919560), (4, 161959780), (5, 129567824), (8, 80979890), (10, 64783912), (16, 40489945), (20, 32391956), (29, 22339280), (40, 16195978), (58, 11169640), (80, 8097989), (116, 5584820), (145, 4467856), (232, 2792410), (290, 2233928), (464, 1396205), (580, 1116964), (841, 770320), (1160, 558482), (1682, 385160), (2320, 279241), (3364, 192580), (4205, 154064), (6728, 96290), (8410, 77032), (9629, 67280), (13456, 48145), (16820, 38516), (19258, 33640)]