261117030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{280771}}^1$

素因数の和:280812

約数の個数: 32

約数和(自身を含む): 646898688

約数和(自身を除く): 385781658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 280771, 561542, 842313, 1403855, 1684626, 2807710, 4211565, 8423130, 8703901, 17407802, 26111703, 43519505, 52223406, 87039010, 130558515, 261117030]

約数ペア:

[(1, 261117030), (2, 130558515), (3, 87039010), (5, 52223406), (6, 43519505), (10, 26111703), (15, 17407802), (30, 8703901), (31, 8423130), (62, 4211565), (93, 2807710), (155, 1684626), (186, 1403855), (310, 842313), (465, 561542), (930, 280771)]