165741520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{42281}}^1$

素因数の和:42308

約数の個数: 60

約数和(自身を含む): 448273764

約数和(自身を除く): 282532244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 42281, 84562, 169124, 211405, 295967, 338248, 422810, 591934, 676496, 845620, 1183868, 1479835, 1691240, 2071769, 2367736, 2959670, 3382480, 4143538, 4735472, 5919340, 8287076, 10358845, 11838680, 16574152, 20717690, 23677360, 33148304, 41435380, 82870760, 165741520]

約数ペア:

[(1, 165741520), (2, 82870760), (4, 41435380), (5, 33148304), (7, 23677360), (8, 20717690), (10, 16574152), (14, 11838680), (16, 10358845), (20, 8287076), (28, 5919340), (35, 4735472), (40, 4143538), (49, 3382480), (56, 2959670), (70, 2367736), (80, 2071769), (98, 1691240), (112, 1479835), (140, 1183868), (196, 845620), (245, 676496), (280, 591934), (392, 422810), (490, 338248), (560, 295967), (784, 211405), (980, 169124), (1960, 84562), (3920, 42281)]