28721000820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{310229}}^1$

素因数の和:311784

約数の個数: 48

約数和(自身を含む): 80471180160

約数和(自身を除く): 51750179340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1543, 3086, 4629, 6172, 7715, 9258, 15430, 18516, 23145, 30860, 46290, 92580, 310229, 620458, 930687, 1240916, 1551145, 1861374, 3102290, 3722748, 4653435, 6204580, 9306870, 18613740, 478683347, 957366694, 1436050041, 1914733388, 2393416735, 2872100082, 4786833470, 5744200164, 7180250205, 9573666940, 14360500410, 28721000820]

約数ペア:

[(1, 28721000820), (2, 14360500410), (3, 9573666940), (4, 7180250205), (5, 5744200164), (6, 4786833470), (10, 2872100082), (12, 2393416735), (15, 1914733388), (20, 1436050041), (30, 957366694), (60, 478683347), (1543, 18613740), (3086, 9306870), (4629, 6204580), (6172, 4653435), (7715, 3722748), (9258, 3102290), (15430, 1861374), (18516, 1551145), (23145, 1240916), (30860, 930687), (46290, 620458), (92580, 310229)]