120810160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 299525472

約数和(自身を除く): 178715312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 272, 340, 421, 422, 680, 842, 844, 1055, 1360, 1684, 1688, 2105, 2110, 3368, 3376, 3587, 4210, 4220, 6736, 7157, 7174, 8420, 8440, 14314, 14348, 16840, 16880, 17935, 28628, 28696, 33680, 35785, 35870, 57256, 57392, 71570, 71740, 88831, 114512, 143140, 143480, 177662, 286280, 286960, 355324, 444155, 572560, 710648, 888310, 1421296, 1510127, 1776620, 3020254, 3553240, 6040508, 7106480, 7550635, 12081016, 15101270, 24162032, 30202540, 60405080, 120810160]

約数ペア:

[(1, 120810160), (2, 60405080), (4, 30202540), (5, 24162032), (8, 15101270), (10, 12081016), (16, 7550635), (17, 7106480), (20, 6040508), (34, 3553240), (40, 3020254), (68, 1776620), (80, 1510127), (85, 1421296), (136, 888310), (170, 710648), (211, 572560), (272, 444155), (340, 355324), (421, 286960), (422, 286280), (680, 177662), (842, 143480), (844, 143140), (1055, 114512), (1360, 88831), (1684, 71740), (1688, 71570), (2105, 57392), (2110, 57256), (3368, 35870), (3376, 35785), (3587, 33680), (4210, 28696), (4220, 28628), (6736, 17935), (7157, 16880), (7174, 16840), (8420, 14348), (8440, 14314)]