157360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 419616

約数和(自身を除く): 262256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1967, 2248, 2810, 3934, 4496, 5620, 7868, 9835, 11240, 15736, 19670, 22480, 31472, 39340, 78680, 157360]

約数ペア:

[(1, 157360), (2, 78680), (4, 39340), (5, 31472), (7, 22480), (8, 19670), (10, 15736), (14, 11240), (16, 9835), (20, 7868), (28, 5620), (35, 4496), (40, 3934), (56, 2810), (70, 2248), (80, 1967), (112, 1405), (140, 1124), (280, 562), (281, 560)]