157804360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{563587}}^1$

素因数の和:563605

約数の個数: 32

約数和(自身を含む): 405783360

約数和(自身を除く): 247979000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 563587, 1127174, 2254348, 2817935, 3945109, 4508696, 5635870, 7890218, 11271740, 15780436, 19725545, 22543480, 31560872, 39451090, 78902180, 157804360]

約数ペア:

[(1, 157804360), (2, 78902180), (4, 39451090), (5, 31560872), (7, 22543480), (8, 19725545), (10, 15780436), (14, 11271740), (20, 7890218), (28, 5635870), (35, 4508696), (40, 3945109), (56, 2817935), (70, 2254348), (140, 1127174), (280, 563587)]