68662020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163481}}^1$

素因数の和:163500

約数の個数: 48

約数和(自身を含む): 219719808

約数和(自身を除く): 151057788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 163481, 326962, 490443, 653924, 817405, 980886, 1144367, 1634810, 1961772, 2288734, 2452215, 3269620, 3433101, 4577468, 4904430, 5721835, 6866202, 9808860, 11443670, 13732404, 17165505, 22887340, 34331010, 68662020]

約数ペア:

[(1, 68662020), (2, 34331010), (3, 22887340), (4, 17165505), (5, 13732404), (6, 11443670), (7, 9808860), (10, 6866202), (12, 5721835), (14, 4904430), (15, 4577468), (20, 3433101), (21, 3269620), (28, 2452215), (30, 2288734), (35, 1961772), (42, 1634810), (60, 1144367), (70, 980886), (84, 817405), (105, 653924), (140, 490443), (210, 326962), (420, 163481)]