8172810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 21565440

約数和(自身を除く): 13392630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 1279, 2130, 2558, 3195, 3837, 6390, 6395, 7674, 11511, 12790, 19185, 23022, 38370, 57555, 90809, 115110, 181618, 272427, 454045, 544854, 817281, 908090, 1362135, 1634562, 2724270, 4086405, 8172810]

約数ペア:

[(1, 8172810), (2, 4086405), (3, 2724270), (5, 1634562), (6, 1362135), (9, 908090), (10, 817281), (15, 544854), (18, 454045), (30, 272427), (45, 181618), (71, 115110), (90, 90809), (142, 57555), (213, 38370), (355, 23022), (426, 19185), (639, 12790), (710, 11511), (1065, 7674), (1278, 6395), (1279, 6390), (2130, 3837), (2558, 3195)]