27796920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5387}}^1$

素因数の和:5444

約数の個数: 64

約数和(自身を含む): 85345920

約数和(自身を除く): 57549000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5387, 10774, 16161, 21548, 26935, 32322, 43096, 53870, 64644, 80805, 107740, 129288, 161610, 215480, 231641, 323220, 463282, 646440, 694923, 926564, 1158205, 1389846, 1853128, 2316410, 2779692, 3474615, 4632820, 5559384, 6949230, 9265640, 13898460, 27796920]

約数ペア:

[(1, 27796920), (2, 13898460), (3, 9265640), (4, 6949230), (5, 5559384), (6, 4632820), (8, 3474615), (10, 2779692), (12, 2316410), (15, 1853128), (20, 1389846), (24, 1158205), (30, 926564), (40, 694923), (43, 646440), (60, 463282), (86, 323220), (120, 231641), (129, 215480), (172, 161610), (215, 129288), (258, 107740), (344, 80805), (430, 64644), (516, 53870), (645, 43096), (860, 32322), (1032, 26935), (1290, 21548), (1720, 16161), (2580, 10774), (5160, 5387)]