31160970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 83825280

約数和(自身を除く): 52664310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 131, 135, 262, 270, 393, 655, 786, 881, 1179, 1310, 1762, 1965, 2358, 2643, 3537, 3930, 4405, 5286, 5895, 7074, 7929, 8810, 11790, 13215, 15858, 17685, 23787, 26430, 35370, 39645, 47574, 79290, 115411, 118935, 230822, 237870, 346233, 577055, 692466, 1038699, 1154110, 1731165, 2077398, 3116097, 3462330, 5193495, 6232194, 10386990, 15580485, 31160970]

約数ペア:

[(1, 31160970), (2, 15580485), (3, 10386990), (5, 6232194), (6, 5193495), (9, 3462330), (10, 3116097), (15, 2077398), (18, 1731165), (27, 1154110), (30, 1038699), (45, 692466), (54, 577055), (90, 346233), (131, 237870), (135, 230822), (262, 118935), (270, 115411), (393, 79290), (655, 47574), (786, 39645), (881, 35370), (1179, 26430), (1310, 23787), (1762, 17685), (1965, 15858), (2358, 13215), (2643, 11790), (3537, 8810), (3930, 7929), (4405, 7074), (5286, 5895)]