80978460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31387}}^1$

素因数の和:31442

約数の個数: 48

約数和(自身を含む): 232020096

約数和(自身を除く): 151041636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 31387, 62774, 94161, 125548, 156935, 188322, 313870, 376644, 470805, 627740, 941610, 1349641, 1883220, 2699282, 4048923, 5398564, 6748205, 8097846, 13496410, 16195692, 20244615, 26992820, 40489230, 80978460]

約数ペア:

[(1, 80978460), (2, 40489230), (3, 26992820), (4, 20244615), (5, 16195692), (6, 13496410), (10, 8097846), (12, 6748205), (15, 5398564), (20, 4048923), (30, 2699282), (43, 1883220), (60, 1349641), (86, 941610), (129, 627740), (172, 470805), (215, 376644), (258, 313870), (430, 188322), (516, 156935), (645, 125548), (860, 94161), (1290, 62774), (2580, 31387)]