31190910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24179}}^1$

素因数の和:24232

約数の個数: 32

約数和(自身を含む): 76602240

約数和(自身を除く): 45411330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 24179, 48358, 72537, 120895, 145074, 241790, 362685, 725370, 1039697, 2079394, 3119091, 5198485, 6238182, 10396970, 15595455, 31190910]

約数ペア:

[(1, 31190910), (2, 15595455), (3, 10396970), (5, 6238182), (6, 5198485), (10, 3119091), (15, 2079394), (30, 1039697), (43, 725370), (86, 362685), (129, 241790), (215, 145074), (258, 120895), (430, 72537), (645, 48358), (1290, 24179)]