513666840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{20287}}^1$

素因数の和:20512

約数の個数: 64

約数和(自身を含む): 1548380160

約数和(自身を除く): 1034713320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 12660, 20287, 25320, 40574, 60861, 81148, 101435, 121722, 162296, 202870, 243444, 304305, 405740, 486888, 608610, 811480, 1217220, 2434440, 4280557, 8561114, 12841671, 17122228, 21402785, 25683342, 34244456, 42805570, 51366684, 64208355, 85611140, 102733368, 128416710, 171222280, 256833420, 513666840]

約数ペア:

[(1, 513666840), (2, 256833420), (3, 171222280), (4, 128416710), (5, 102733368), (6, 85611140), (8, 64208355), (10, 51366684), (12, 42805570), (15, 34244456), (20, 25683342), (24, 21402785), (30, 17122228), (40, 12841671), (60, 8561114), (120, 4280557), (211, 2434440), (422, 1217220), (633, 811480), (844, 608610), (1055, 486888), (1266, 405740), (1688, 304305), (2110, 243444), (2532, 202870), (3165, 162296), (4220, 121722), (5064, 101435), (6330, 81148), (8440, 60861), (12660, 40574), (20287, 25320)]