212220660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5351}}^1$

素因数の和:6024

約数の個数: 48

約数和(自身を含む): 595228032

約数和(自身を除く): 383007372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 2644, 3305, 3966, 5351, 6610, 7932, 9915, 10702, 13220, 16053, 19830, 21404, 26755, 32106, 39660, 53510, 64212, 80265, 107020, 160530, 321060, 3537011, 7074022, 10611033, 14148044, 17685055, 21222066, 35370110, 42444132, 53055165, 70740220, 106110330, 212220660]

約数ペア:

[(1, 212220660), (2, 106110330), (3, 70740220), (4, 53055165), (5, 42444132), (6, 35370110), (10, 21222066), (12, 17685055), (15, 14148044), (20, 10611033), (30, 7074022), (60, 3537011), (661, 321060), (1322, 160530), (1983, 107020), (2644, 80265), (3305, 64212), (3966, 53510), (5351, 39660), (6610, 32106), (7932, 26755), (9915, 21404), (10702, 19830), (13220, 16053)]