70821080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2267}}^1$

素因数の和:2360

約数の個数: 64

約数和(自身を含む): 176359680

約数和(自身を除く): 105538600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2267, 2840, 3124, 3905, 4534, 6248, 7810, 9068, 11335, 15620, 18136, 22670, 24937, 31240, 45340, 49874, 90680, 99748, 124685, 160957, 199496, 249370, 321914, 498740, 643828, 804785, 997480, 1287656, 1609570, 1770527, 3219140, 3541054, 6438280, 7082108, 8852635, 14164216, 17705270, 35410540, 70821080]

約数ペア:

[(1, 70821080), (2, 35410540), (4, 17705270), (5, 14164216), (8, 8852635), (10, 7082108), (11, 6438280), (20, 3541054), (22, 3219140), (40, 1770527), (44, 1609570), (55, 1287656), (71, 997480), (88, 804785), (110, 643828), (142, 498740), (220, 321914), (284, 249370), (355, 199496), (440, 160957), (568, 124685), (710, 99748), (781, 90680), (1420, 49874), (1562, 45340), (2267, 31240), (2840, 24937), (3124, 22670), (3905, 18136), (4534, 15620), (6248, 11335), (7810, 9068)]