20669210160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{450899}}^1$

素因数の和:451106

約数の個数: 80

約数和(自身を含む): 64410163200

約数和(自身を除く): 43740953040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3056, 3820, 4584, 5730, 7640, 9168, 11460, 15280, 22920, 45840, 450899, 901798, 1352697, 1803596, 2254495, 2705394, 3607192, 4508990, 5410788, 6763485, 7214384, 9017980, 10821576, 13526970, 18035960, 21643152, 27053940, 36071920, 54107880, 86121709, 108215760, 172243418, 258365127, 344486836, 430608545, 516730254, 688973672, 861217090, 1033460508, 1291825635, 1377947344, 1722434180, 2066921016, 2583651270, 3444868360, 4133842032, 5167302540, 6889736720, 10334605080, 20669210160]

約数ペア:

[(1, 20669210160), (2, 10334605080), (3, 6889736720), (4, 5167302540), (5, 4133842032), (6, 3444868360), (8, 2583651270), (10, 2066921016), (12, 1722434180), (15, 1377947344), (16, 1291825635), (20, 1033460508), (24, 861217090), (30, 688973672), (40, 516730254), (48, 430608545), (60, 344486836), (80, 258365127), (120, 172243418), (191, 108215760), (240, 86121709), (382, 54107880), (573, 36071920), (764, 27053940), (955, 21643152), (1146, 18035960), (1528, 13526970), (1910, 10821576), (2292, 9017980), (2865, 7214384), (3056, 6763485), (3820, 5410788), (4584, 4508990), (5730, 3607192), (7640, 2705394), (9168, 2254495), (11460, 1803596), (15280, 1352697), (22920, 901798), (45840, 450899)]