16345620

素因数分解:

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

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 50319360

約数和(自身を除く): 33973740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1279, 1420, 2130, 2556, 2558, 3195, 3837, 4260, 5116, 6390, 6395, 7674, 11511, 12780, 12790, 15348, 19185, 23022, 25580, 38370, 46044, 57555, 76740, 90809, 115110, 181618, 230220, 272427, 363236, 454045, 544854, 817281, 908090, 1089708, 1362135, 1634562, 1816180, 2724270, 3269124, 4086405, 5448540, 8172810, 16345620]

約数ペア:

[(1, 16345620), (2, 8172810), (3, 5448540), (4, 4086405), (5, 3269124), (6, 2724270), (9, 1816180), (10, 1634562), (12, 1362135), (15, 1089708), (18, 908090), (20, 817281), (30, 544854), (36, 454045), (45, 363236), (60, 272427), (71, 230220), (90, 181618), (142, 115110), (180, 90809), (213, 76740), (284, 57555), (355, 46044), (426, 38370), (639, 25580), (710, 23022), (852, 19185), (1065, 15348), (1278, 12790), (1279, 12780), (1420, 11511), (2130, 7674), (2556, 6395), (2558, 6390), (3195, 5116), (3837, 4260)]