161255220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{383941}}^1$

素因数の和:383960

約数の個数: 48

約数和(自身を含む): 516018048

約数和(自身を除く): 354762828

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, 383941, 767882, 1151823, 1535764, 1919705, 2303646, 2687587, 3839410, 4607292, 5375174, 5759115, 7678820, 8062761, 10750348, 11518230, 13437935, 16125522, 23036460, 26875870, 32251044, 40313805, 53751740, 80627610, 161255220]

約数ペア:

[(1, 161255220), (2, 80627610), (3, 53751740), (4, 40313805), (5, 32251044), (6, 26875870), (7, 23036460), (10, 16125522), (12, 13437935), (14, 11518230), (15, 10750348), (20, 8062761), (21, 7678820), (28, 5759115), (30, 5375174), (35, 4607292), (42, 3839410), (60, 2687587), (70, 2303646), (84, 1919705), (105, 1535764), (140, 1151823), (210, 767882), (420, 383941)]