68002620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{161911}}^1$

素因数の和:161930

約数の個数: 48

約数和(自身を含む): 217609728

約数和(自身を除く): 149607108

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, 161911, 323822, 485733, 647644, 809555, 971466, 1133377, 1619110, 1942932, 2266754, 2428665, 3238220, 3400131, 4533508, 4857330, 5666885, 6800262, 9714660, 11333770, 13600524, 17000655, 22667540, 34001310, 68002620]

約数ペア:

[(1, 68002620), (2, 34001310), (3, 22667540), (4, 17000655), (5, 13600524), (6, 11333770), (7, 9714660), (10, 6800262), (12, 5666885), (14, 4857330), (15, 4533508), (20, 3400131), (21, 3238220), (28, 2428665), (30, 2266754), (35, 1942932), (42, 1619110), (60, 1133377), (70, 971466), (84, 809555), (105, 647644), (140, 485733), (210, 323822), (420, 161911)]