1277460020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{35153}}^1$

素因数の和:35264

約数の個数: 48

約数和(自身を含む): 2834818560

約数和(自身を除く): 1557358540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 7268, 9085, 18170, 35153, 36340, 70306, 140612, 175765, 351530, 703060, 808519, 1617038, 2777087, 3234076, 4042595, 5554174, 8085190, 11108348, 13885435, 16170380, 27770870, 55541740, 63873001, 127746002, 255492004, 319365005, 638730010, 1277460020]

約数ペア:

[(1, 1277460020), (2, 638730010), (4, 319365005), (5, 255492004), (10, 127746002), (20, 63873001), (23, 55541740), (46, 27770870), (79, 16170380), (92, 13885435), (115, 11108348), (158, 8085190), (230, 5554174), (316, 4042595), (395, 3234076), (460, 2777087), (790, 1617038), (1580, 808519), (1817, 703060), (3634, 351530), (7268, 175765), (9085, 140612), (18170, 70306), (35153, 36340)]