2872781520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1709989}}^1$

素因数の和:1710012

約数の個数: 80

約数和(自身を含む): 10177860480

約数和(自身を除く): 7305078960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1709989, 3419978, 5129967, 6839956, 8549945, 10259934, 11969923, 13679912, 17099890, 20519868, 23939846, 25649835, 27359824, 34199780, 35909769, 41039736, 47879692, 51299670, 59849615, 68399560, 71819538, 82079472, 95759384, 102599340, 119699230, 136799120, 143639076, 179548845, 191518768, 205198680, 239398460, 287278152, 359097690, 410397360, 478796920, 574556304, 718195380, 957593840, 1436390760, 2872781520]

約数ペア:

[(1, 2872781520), (2, 1436390760), (3, 957593840), (4, 718195380), (5, 574556304), (6, 478796920), (7, 410397360), (8, 359097690), (10, 287278152), (12, 239398460), (14, 205198680), (15, 191518768), (16, 179548845), (20, 143639076), (21, 136799120), (24, 119699230), (28, 102599340), (30, 95759384), (35, 82079472), (40, 71819538), (42, 68399560), (48, 59849615), (56, 51299670), (60, 47879692), (70, 41039736), (80, 35909769), (84, 34199780), (105, 27359824), (112, 25649835), (120, 23939846), (140, 20519868), (168, 17099890), (210, 13679912), (240, 11969923), (280, 10259934), (336, 8549945), (420, 6839956), (560, 5129967), (840, 3419978), (1680, 1709989)]