1680590940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4001407}}^1$

素因数の和:4001426

約数の個数: 48

約数和(自身を含む): 5377892352

約数和(自身を除く): 3697301412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4001407, 8002814, 12004221, 16005628, 20007035, 24008442, 28009849, 40014070, 48016884, 56019698, 60021105, 80028140, 84029547, 112039396, 120042210, 140049245, 168059094, 240084420, 280098490, 336118188, 420147735, 560196980, 840295470, 1680590940]

約数ペア:

[(1, 1680590940), (2, 840295470), (3, 560196980), (4, 420147735), (5, 336118188), (6, 280098490), (7, 240084420), (10, 168059094), (12, 140049245), (14, 120042210), (15, 112039396), (20, 84029547), (21, 80028140), (28, 60021105), (30, 56019698), (35, 48016884), (42, 40014070), (60, 28009849), (70, 24008442), (84, 20007035), (105, 16005628), (140, 12004221), (210, 8002814), (420, 4001407)]