81644490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2381}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 219525120

約数和(自身を除く): 137880630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 635, 762, 1143, 1270, 1905, 2286, 2381, 3429, 3810, 4762, 5715, 6858, 7143, 11430, 11905, 14286, 17145, 21429, 23810, 34290, 35715, 42858, 64287, 71430, 107145, 128574, 214290, 302387, 321435, 604774, 642870, 907161, 1511935, 1814322, 2721483, 3023870, 4535805, 5442966, 8164449, 9071610, 13607415, 16328898, 27214830, 40822245, 81644490]

約数ペア:

[(1, 81644490), (2, 40822245), (3, 27214830), (5, 16328898), (6, 13607415), (9, 9071610), (10, 8164449), (15, 5442966), (18, 4535805), (27, 3023870), (30, 2721483), (45, 1814322), (54, 1511935), (90, 907161), (127, 642870), (135, 604774), (254, 321435), (270, 302387), (381, 214290), (635, 128574), (762, 107145), (1143, 71430), (1270, 64287), (1905, 42858), (2286, 35715), (2381, 34290), (3429, 23810), (3810, 21429), (4762, 17145), (5715, 14286), (6858, 11905), (7143, 11430)]