128575728

素因数分解:

$2^4\times 3^3\times {\mathrm{297629}}^1$

素因数の和:297646

約数の個数: 40

約数和(自身を含む): 369061200

約数和(自身を除く): 240485472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 297629, 595258, 892887, 1190516, 1785774, 2381032, 2678661, 3571548, 4762064, 5357322, 7143096, 8035983, 10714644, 14286192, 16071966, 21429288, 32143932, 42858576, 64287864, 128575728]

約数ペア:

[(1, 128575728), (2, 64287864), (3, 42858576), (4, 32143932), (6, 21429288), (8, 16071966), (9, 14286192), (12, 10714644), (16, 8035983), (18, 7143096), (24, 5357322), (27, 4762064), (36, 3571548), (48, 2678661), (54, 2381032), (72, 1785774), (108, 1190516), (144, 892887), (216, 595258), (432, 297629)]