421830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 1132560

約数和(自身を除く): 710730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 109, 129, 215, 218, 258, 327, 387, 430, 545, 645, 654, 774, 981, 1090, 1290, 1635, 1935, 1962, 3270, 3870, 4687, 4905, 9374, 9810, 14061, 23435, 28122, 42183, 46870, 70305, 84366, 140610, 210915, 421830]

約数ペア:

[(1, 421830), (2, 210915), (3, 140610), (5, 84366), (6, 70305), (9, 46870), (10, 42183), (15, 28122), (18, 23435), (30, 14061), (43, 9810), (45, 9374), (86, 4905), (90, 4687), (109, 3870), (129, 3270), (215, 1962), (218, 1935), (258, 1635), (327, 1290), (387, 1090), (430, 981), (545, 774), (645, 654)]