12803220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71129}}^1$

素因数の和:71144

約数の個数: 36

約数和(自身を含む): 38836980

約数和(自身を除く): 26033760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71129, 142258, 213387, 284516, 355645, 426774, 640161, 711290, 853548, 1066935, 1280322, 1422580, 2133870, 2560644, 3200805, 4267740, 6401610, 12803220]

約数ペア:

[(1, 12803220), (2, 6401610), (3, 4267740), (4, 3200805), (5, 2560644), (6, 2133870), (9, 1422580), (10, 1280322), (12, 1066935), (15, 853548), (18, 711290), (20, 640161), (30, 426774), (36, 355645), (45, 284516), (60, 213387), (90, 142258), (180, 71129)]