140406180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{54421}}^1$

素因数の和:54476

約数の個数: 48

約数和(自身を含む): 402287424

約数和(自身を除く): 261881244

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, 54421, 108842, 163263, 217684, 272105, 326526, 544210, 653052, 816315, 1088420, 1632630, 2340103, 3265260, 4680206, 7020309, 9360412, 11700515, 14040618, 23401030, 28081236, 35101545, 46802060, 70203090, 140406180]

約数ペア:

[(1, 140406180), (2, 70203090), (3, 46802060), (4, 35101545), (5, 28081236), (6, 23401030), (10, 14040618), (12, 11700515), (15, 9360412), (20, 7020309), (30, 4680206), (43, 3265260), (60, 2340103), (86, 1632630), (129, 1088420), (172, 816315), (215, 653052), (258, 544210), (430, 326526), (516, 272105), (645, 217684), (860, 163263), (1290, 108842), (2580, 54421)]