157214680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1279}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 405504000

約数和(自身を除く): 248289320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1279, 1756, 2195, 2558, 3073, 3512, 4390, 5116, 6146, 6395, 8780, 8953, 10232, 12292, 12790, 15365, 17560, 17906, 24584, 25580, 30730, 35812, 44765, 51160, 61460, 71624, 89530, 122920, 179060, 358120, 561481, 1122962, 2245924, 2807405, 3930367, 4491848, 5614810, 7860734, 11229620, 15721468, 19651835, 22459240, 31442936, 39303670, 78607340, 157214680]

約数ペア:

[(1, 157214680), (2, 78607340), (4, 39303670), (5, 31442936), (7, 22459240), (8, 19651835), (10, 15721468), (14, 11229620), (20, 7860734), (28, 5614810), (35, 4491848), (40, 3930367), (56, 2807405), (70, 2245924), (140, 1122962), (280, 561481), (439, 358120), (878, 179060), (1279, 122920), (1756, 89530), (2195, 71624), (2558, 61460), (3073, 51160), (3512, 44765), (4390, 35812), (5116, 30730), (6146, 25580), (6395, 24584), (8780, 17906), (8953, 17560), (10232, 15365), (12292, 12790)]