31274730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20441}}^1$

素因数の和:20471

約数の個数: 48

約数和(自身を含む): 86101704

約数和(自身を除く): 54826974

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20441, 40882, 61323, 102205, 122646, 183969, 204410, 306615, 347497, 367938, 613230, 694994, 919845, 1042491, 1737485, 1839690, 2084982, 3127473, 3474970, 5212455, 6254946, 10424910, 15637365, 31274730]

約数ペア:

[(1, 31274730), (2, 15637365), (3, 10424910), (5, 6254946), (6, 5212455), (9, 3474970), (10, 3127473), (15, 2084982), (17, 1839690), (18, 1737485), (30, 1042491), (34, 919845), (45, 694994), (51, 613230), (85, 367938), (90, 347497), (102, 306615), (153, 204410), (170, 183969), (255, 122646), (306, 102205), (510, 61323), (765, 40882), (1530, 20441)]