31920330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81847}}^1$

素因数の和:81870

約数の個数: 32

約数和(自身を含む): 82502784

約数和(自身を除く): 50582454

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81847, 163694, 245541, 409235, 491082, 818470, 1064011, 1227705, 2128022, 2455410, 3192033, 5320055, 6384066, 10640110, 15960165, 31920330]

約数ペア:

[(1, 31920330), (2, 15960165), (3, 10640110), (5, 6384066), (6, 5320055), (10, 3192033), (13, 2455410), (15, 2128022), (26, 1227705), (30, 1064011), (39, 818470), (65, 491082), (78, 409235), (130, 245541), (195, 163694), (390, 81847)]