72179240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257783}}^1$

素因数の和:257801

約数の個数: 32

約数和(自身を含む): 185604480

約数和(自身を除く): 113425240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257783, 515566, 1031132, 1288915, 1804481, 2062264, 2577830, 3608962, 5155660, 7217924, 9022405, 10311320, 14435848, 18044810, 36089620, 72179240]

約数ペア:

[(1, 72179240), (2, 36089620), (4, 18044810), (5, 14435848), (7, 10311320), (8, 9022405), (10, 7217924), (14, 5155660), (20, 3608962), (28, 2577830), (35, 2062264), (40, 1804481), (56, 1288915), (70, 1031132), (140, 515566), (280, 257783)]