31940610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81899}}^1$

素因数の和:81922

約数の個数: 32

約数和(自身を含む): 82555200

約数和(自身を除く): 50614590

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81899, 163798, 245697, 409495, 491394, 818990, 1064687, 1228485, 2129374, 2456970, 3194061, 5323435, 6388122, 10646870, 15970305, 31940610]

約数ペア:

[(1, 31940610), (2, 15970305), (3, 10646870), (5, 6388122), (6, 5323435), (10, 3194061), (13, 2456970), (15, 2129374), (26, 1228485), (30, 1064687), (39, 818990), (65, 491394), (78, 409495), (130, 245697), (195, 163798), (390, 81899)]