2018085540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{473729}}^1$

素因数の和:473812

約数の個数: 48

約数和(自身を含む): 5730238080

約数和(自身を除く): 3712152540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 473729, 947458, 1421187, 1894916, 2368645, 2842374, 4737290, 5684748, 7105935, 9474580, 14211870, 28423740, 33634759, 67269518, 100904277, 134539036, 168173795, 201808554, 336347590, 403617108, 504521385, 672695180, 1009042770, 2018085540]

約数ペア:

[(1, 2018085540), (2, 1009042770), (3, 672695180), (4, 504521385), (5, 403617108), (6, 336347590), (10, 201808554), (12, 168173795), (15, 134539036), (20, 100904277), (30, 67269518), (60, 33634759), (71, 28423740), (142, 14211870), (213, 9474580), (284, 7105935), (355, 5684748), (426, 4737290), (710, 2842374), (852, 2368645), (1065, 1894916), (1420, 1421187), (2130, 947458), (4260, 473729)]