68977020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{164231}}^1$

素因数の和:164250

約数の個数: 48

約数和(自身を含む): 220727808

約数和(自身を除く): 151750788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 164231, 328462, 492693, 656924, 821155, 985386, 1149617, 1642310, 1970772, 2299234, 2463465, 3284620, 3448851, 4598468, 4926930, 5748085, 6897702, 9853860, 11496170, 13795404, 17244255, 22992340, 34488510, 68977020]

約数ペア:

[(1, 68977020), (2, 34488510), (3, 22992340), (4, 17244255), (5, 13795404), (6, 11496170), (7, 9853860), (10, 6897702), (12, 5748085), (14, 4926930), (15, 4598468), (20, 3448851), (21, 3284620), (28, 2463465), (30, 2299234), (35, 1970772), (42, 1642310), (60, 1149617), (70, 985386), (84, 821155), (105, 656924), (140, 492693), (210, 328462), (420, 164231)]