31937820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12379}}^1$

素因数の和:12434

約数の個数: 48

約数和(自身を含む): 91512960

約数和(自身を除く): 59575140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 12379, 24758, 37137, 49516, 61895, 74274, 123790, 148548, 185685, 247580, 371370, 532297, 742740, 1064594, 1596891, 2129188, 2661485, 3193782, 5322970, 6387564, 7984455, 10645940, 15968910, 31937820]

約数ペア:

[(1, 31937820), (2, 15968910), (3, 10645940), (4, 7984455), (5, 6387564), (6, 5322970), (10, 3193782), (12, 2661485), (15, 2129188), (20, 1596891), (30, 1064594), (43, 742740), (60, 532297), (86, 371370), (129, 247580), (172, 185685), (215, 148548), (258, 123790), (430, 74274), (516, 61895), (645, 49516), (860, 37137), (1290, 24758), (2580, 12379)]