31941270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 85682880

約数和(自身を除く): 53741610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 281, 421, 562, 842, 843, 1263, 1405, 1686, 2105, 2526, 2529, 2810, 3789, 4210, 4215, 5058, 6315, 7578, 7587, 8430, 11367, 12630, 12645, 15174, 18945, 22734, 25290, 37890, 37935, 56835, 75870, 113670, 118301, 236602, 354903, 591505, 709806, 1064709, 1183010, 1774515, 2129418, 3194127, 3549030, 5323545, 6388254, 10647090, 15970635, 31941270]

約数ペア:

[(1, 31941270), (2, 15970635), (3, 10647090), (5, 6388254), (6, 5323545), (9, 3549030), (10, 3194127), (15, 2129418), (18, 1774515), (27, 1183010), (30, 1064709), (45, 709806), (54, 591505), (90, 354903), (135, 236602), (270, 118301), (281, 113670), (421, 75870), (562, 56835), (842, 37935), (843, 37890), (1263, 25290), (1405, 22734), (1686, 18945), (2105, 15174), (2526, 12645), (2529, 12630), (2810, 11367), (3789, 8430), (4210, 7587), (4215, 7578), (5058, 6315)]