64431680

素因数分解:

$2^6\times 5^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1131

約数の個数: 56

約数和(自身を含む): 154277568

約数和(自身を除く): 89845888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 227, 320, 454, 887, 908, 1135, 1774, 1816, 2270, 3548, 3632, 4435, 4540, 7096, 7264, 8870, 9080, 14192, 14528, 17740, 18160, 28384, 35480, 36320, 56768, 70960, 72640, 141920, 201349, 283840, 402698, 805396, 1006745, 1610792, 2013490, 3221584, 4026980, 6443168, 8053960, 12886336, 16107920, 32215840, 64431680]

約数ペア:

[(1, 64431680), (2, 32215840), (4, 16107920), (5, 12886336), (8, 8053960), (10, 6443168), (16, 4026980), (20, 3221584), (32, 2013490), (40, 1610792), (64, 1006745), (80, 805396), (160, 402698), (227, 283840), (320, 201349), (454, 141920), (887, 72640), (908, 70960), (1135, 56768), (1774, 36320), (1816, 35480), (2270, 28384), (3548, 18160), (3632, 17740), (4435, 14528), (4540, 14192), (7096, 9080), (7264, 8870)]