9827820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 30270240

約数和(自身を除く): 20442420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 769, 852, 1065, 1278, 1420, 1538, 2130, 2307, 2556, 3076, 3195, 3845, 4260, 4614, 6390, 6921, 7690, 9228, 11535, 12780, 13842, 15380, 23070, 27684, 34605, 46140, 54599, 69210, 109198, 138420, 163797, 218396, 272995, 327594, 491391, 545990, 655188, 818985, 982782, 1091980, 1637970, 1965564, 2456955, 3275940, 4913910, 9827820]

約数ペア:

[(1, 9827820), (2, 4913910), (3, 3275940), (4, 2456955), (5, 1965564), (6, 1637970), (9, 1091980), (10, 982782), (12, 818985), (15, 655188), (18, 545990), (20, 491391), (30, 327594), (36, 272995), (45, 218396), (60, 163797), (71, 138420), (90, 109198), (142, 69210), (180, 54599), (213, 46140), (284, 34605), (355, 27684), (426, 23070), (639, 15380), (710, 13842), (769, 12780), (852, 11535), (1065, 9228), (1278, 7690), (1420, 6921), (1538, 6390), (2130, 4614), (2307, 4260), (2556, 3845), (3076, 3195)]