257986440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{716629}}^1$

素因数の和:716646

約数の個数: 48

約数和(自身を含む): 838457100

約数和(自身を除く): 580470660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 716629, 1433258, 2149887, 2866516, 3583145, 4299774, 5733032, 6449661, 7166290, 8599548, 10749435, 12899322, 14332580, 17199096, 21498870, 25798644, 28665160, 32248305, 42997740, 51597288, 64496610, 85995480, 128993220, 257986440]

約数ペア:

[(1, 257986440), (2, 128993220), (3, 85995480), (4, 64496610), (5, 51597288), (6, 42997740), (8, 32248305), (9, 28665160), (10, 25798644), (12, 21498870), (15, 17199096), (18, 14332580), (20, 12899322), (24, 10749435), (30, 8599548), (36, 7166290), (40, 6449661), (45, 5733032), (60, 4299774), (72, 3583145), (90, 2866516), (120, 2149887), (180, 1433258), (360, 716629)]