56661780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{134909}}^1$

素因数の和:134928

約数の個数: 48

約数和(自身を含む): 181319040

約数和(自身を除く): 124657260

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, 134909, 269818, 404727, 539636, 674545, 809454, 944363, 1349090, 1618908, 1888726, 2023635, 2698180, 2833089, 3777452, 4047270, 4721815, 5666178, 8094540, 9443630, 11332356, 14165445, 18887260, 28330890, 56661780]

約数ペア:

[(1, 56661780), (2, 28330890), (3, 18887260), (4, 14165445), (5, 11332356), (6, 9443630), (7, 8094540), (10, 5666178), (12, 4721815), (14, 4047270), (15, 3777452), (20, 2833089), (21, 2698180), (28, 2023635), (30, 1888726), (35, 1618908), (42, 1349090), (60, 944363), (70, 809454), (84, 674545), (105, 539636), (140, 404727), (210, 269818), (420, 134909)]