205943940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3187}}^1$

素因数の和:3561

約数の個数: 72

約数和(自身を含む): 626633280

約数和(自身を除く): 420689340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 1077, 1436, 1795, 2154, 3187, 3231, 3590, 4308, 5385, 6374, 6462, 7180, 9561, 10770, 12748, 12924, 15935, 16155, 19122, 21540, 28683, 31870, 32310, 38244, 47805, 57366, 63740, 64620, 95610, 114732, 143415, 191220, 286830, 573660, 1144133, 2288266, 3432399, 4576532, 5720665, 6864798, 10297197, 11441330, 13729596, 17161995, 20594394, 22882660, 34323990, 41188788, 51485985, 68647980, 102971970, 205943940]

約数ペア:

[(1, 205943940), (2, 102971970), (3, 68647980), (4, 51485985), (5, 41188788), (6, 34323990), (9, 22882660), (10, 20594394), (12, 17161995), (15, 13729596), (18, 11441330), (20, 10297197), (30, 6864798), (36, 5720665), (45, 4576532), (60, 3432399), (90, 2288266), (180, 1144133), (359, 573660), (718, 286830), (1077, 191220), (1436, 143415), (1795, 114732), (2154, 95610), (3187, 64620), (3231, 63740), (3590, 57366), (4308, 47805), (5385, 38244), (6374, 32310), (6462, 31870), (7180, 28683), (9561, 21540), (10770, 19122), (12748, 16155), (12924, 15935)]