20160865680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{815569}}^1$

素因数の和:815688

約数の個数: 80

約数和(自身を含む): 63105544320

約数和(自身を除く): 42944678640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 3090, 4120, 4944, 6180, 8240, 12360, 24720, 815569, 1631138, 2446707, 3262276, 4077845, 4893414, 6524552, 8155690, 9786828, 12233535, 13049104, 16311380, 19573656, 24467070, 32622760, 39147312, 48934140, 65245520, 84003607, 97868280, 168007214, 195736560, 252010821, 336014428, 420018035, 504021642, 672028856, 840036070, 1008043284, 1260054105, 1344057712, 1680072140, 2016086568, 2520108210, 3360144280, 4032173136, 5040216420, 6720288560, 10080432840, 20160865680]

約数ペア:

[(1, 20160865680), (2, 10080432840), (3, 6720288560), (4, 5040216420), (5, 4032173136), (6, 3360144280), (8, 2520108210), (10, 2016086568), (12, 1680072140), (15, 1344057712), (16, 1260054105), (20, 1008043284), (24, 840036070), (30, 672028856), (40, 504021642), (48, 420018035), (60, 336014428), (80, 252010821), (103, 195736560), (120, 168007214), (206, 97868280), (240, 84003607), (309, 65245520), (412, 48934140), (515, 39147312), (618, 32622760), (824, 24467070), (1030, 19573656), (1236, 16311380), (1545, 13049104), (1648, 12233535), (2060, 9786828), (2472, 8155690), (3090, 6524552), (4120, 4893414), (4944, 4077845), (6180, 3262276), (8240, 2446707), (12360, 1631138), (24720, 815569)]