30128380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 66062304

約数和(自身を除く): 35933924

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 661, 860, 1060, 1322, 2279, 2644, 3305, 4558, 6610, 9116, 11395, 13220, 22790, 28423, 35033, 45580, 56846, 70066, 113692, 140132, 142115, 175165, 284230, 350330, 568460, 700660, 1506419, 3012838, 6025676, 7532095, 15064190, 30128380]

約数ペア:

[(1, 30128380), (2, 15064190), (4, 7532095), (5, 6025676), (10, 3012838), (20, 1506419), (43, 700660), (53, 568460), (86, 350330), (106, 284230), (172, 175165), (212, 142115), (215, 140132), (265, 113692), (430, 70066), (530, 56846), (661, 45580), (860, 35033), (1060, 28423), (1322, 22790), (2279, 13220), (2644, 11395), (3305, 9116), (4558, 6610)]