8128710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 21294000

約数和(自身を除く): 13165290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 499, 543, 905, 998, 1086, 1497, 1629, 1810, 2495, 2715, 2994, 3258, 4491, 4990, 5430, 7485, 8145, 8982, 14970, 16290, 22455, 44910, 90319, 180638, 270957, 451595, 541914, 812871, 903190, 1354785, 1625742, 2709570, 4064355, 8128710]

約数ペア:

[(1, 8128710), (2, 4064355), (3, 2709570), (5, 1625742), (6, 1354785), (9, 903190), (10, 812871), (15, 541914), (18, 451595), (30, 270957), (45, 180638), (90, 90319), (181, 44910), (362, 22455), (499, 16290), (543, 14970), (905, 8982), (998, 8145), (1086, 7485), (1497, 5430), (1629, 4990), (1810, 4491), (2495, 3258), (2715, 2994)]