1566806480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{809}}^1$

素因数の和:1428

約数の個数: 80

約数和(自身を含む): 3738778560

約数和(自身を除く): 2171972080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 563, 688, 809, 860, 1126, 1618, 1720, 2252, 2815, 3236, 3440, 4045, 4504, 5630, 6472, 8090, 9008, 11260, 12944, 16180, 22520, 24209, 32360, 34787, 45040, 48418, 64720, 69574, 96836, 121045, 139148, 173935, 193672, 242090, 278296, 347870, 387344, 455467, 484180, 556592, 695740, 910934, 968360, 1391480, 1821868, 1936720, 2277335, 2782960, 3643736, 4554670, 7287472, 9109340, 18218680, 19585081, 36437360, 39170162, 78340324, 97925405, 156680648, 195850810, 313361296, 391701620, 783403240, 1566806480]

約数ペア:

[(1, 1566806480), (2, 783403240), (4, 391701620), (5, 313361296), (8, 195850810), (10, 156680648), (16, 97925405), (20, 78340324), (40, 39170162), (43, 36437360), (80, 19585081), (86, 18218680), (172, 9109340), (215, 7287472), (344, 4554670), (430, 3643736), (563, 2782960), (688, 2277335), (809, 1936720), (860, 1821868), (1126, 1391480), (1618, 968360), (1720, 910934), (2252, 695740), (2815, 556592), (3236, 484180), (3440, 455467), (4045, 387344), (4504, 347870), (5630, 278296), (6472, 242090), (8090, 193672), (9008, 173935), (11260, 139148), (12944, 121045), (16180, 96836), (22520, 69574), (24209, 64720), (32360, 48418), (34787, 45040)]