249739020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2099}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 759049200

約数和(自身を除く): 509310180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 661, 1322, 1983, 2099, 2644, 3305, 3966, 4198, 5949, 6297, 6610, 7932, 8396, 9915, 10495, 11898, 12594, 13220, 18891, 19830, 20990, 23796, 25188, 29745, 31485, 37782, 39660, 41980, 59490, 62970, 75564, 94455, 118980, 125940, 188910, 377820, 1387439, 2774878, 4162317, 5549756, 6937195, 8324634, 12486951, 13874390, 16649268, 20811585, 24973902, 27748780, 41623170, 49947804, 62434755, 83246340, 124869510, 249739020]

約数ペア:

[(1, 249739020), (2, 124869510), (3, 83246340), (4, 62434755), (5, 49947804), (6, 41623170), (9, 27748780), (10, 24973902), (12, 20811585), (15, 16649268), (18, 13874390), (20, 12486951), (30, 8324634), (36, 6937195), (45, 5549756), (60, 4162317), (90, 2774878), (180, 1387439), (661, 377820), (1322, 188910), (1983, 125940), (2099, 118980), (2644, 94455), (3305, 75564), (3966, 62970), (4198, 59490), (5949, 41980), (6297, 39660), (6610, 37782), (7932, 31485), (8396, 29745), (9915, 25188), (10495, 23796), (11898, 20990), (12594, 19830), (13220, 18891)]