31865490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 72

約数和(自身を含む): 86009508

約数和(自身を除く): 54144018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 421, 435, 522, 841, 842, 870, 1263, 1305, 1682, 2105, 2523, 2526, 2610, 3789, 4205, 4210, 5046, 6315, 7569, 7578, 8410, 12209, 12615, 12630, 15138, 18945, 24418, 25230, 36627, 37845, 37890, 61045, 73254, 75690, 109881, 122090, 183135, 219762, 354061, 366270, 549405, 708122, 1062183, 1098810, 1770305, 2124366, 3186549, 3540610, 5310915, 6373098, 10621830, 15932745, 31865490]

約数ペア:

[(1, 31865490), (2, 15932745), (3, 10621830), (5, 6373098), (6, 5310915), (9, 3540610), (10, 3186549), (15, 2124366), (18, 1770305), (29, 1098810), (30, 1062183), (45, 708122), (58, 549405), (87, 366270), (90, 354061), (145, 219762), (174, 183135), (261, 122090), (290, 109881), (421, 75690), (435, 73254), (522, 61045), (841, 37890), (842, 37845), (870, 36627), (1263, 25230), (1305, 24418), (1682, 18945), (2105, 15138), (2523, 12630), (2526, 12615), (2610, 12209), (3789, 8410), (4205, 7578), (4210, 7569), (5046, 6315)]