207811920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1279}}^1$

素因数の和:1972

約数の個数: 80

約数和(自身を含む): 645672960

約数和(自身を除く): 437861040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 677, 1279, 1354, 2031, 2558, 2708, 3385, 3837, 4062, 5116, 5416, 6395, 6770, 7674, 8124, 10155, 10232, 10832, 12790, 13540, 15348, 16248, 19185, 20310, 20464, 25580, 27080, 30696, 32496, 38370, 40620, 51160, 54160, 61392, 76740, 81240, 102320, 153480, 162480, 306960, 865883, 1731766, 2597649, 3463532, 4329415, 5195298, 6927064, 8658830, 10390596, 12988245, 13854128, 17317660, 20781192, 25976490, 34635320, 41562384, 51952980, 69270640, 103905960, 207811920]

約数ペア:

[(1, 207811920), (2, 103905960), (3, 69270640), (4, 51952980), (5, 41562384), (6, 34635320), (8, 25976490), (10, 20781192), (12, 17317660), (15, 13854128), (16, 12988245), (20, 10390596), (24, 8658830), (30, 6927064), (40, 5195298), (48, 4329415), (60, 3463532), (80, 2597649), (120, 1731766), (240, 865883), (677, 306960), (1279, 162480), (1354, 153480), (2031, 102320), (2558, 81240), (2708, 76740), (3385, 61392), (3837, 54160), (4062, 51160), (5116, 40620), (5416, 38370), (6395, 32496), (6770, 30696), (7674, 27080), (8124, 25580), (10155, 20464), (10232, 20310), (10832, 19185), (12790, 16248), (13540, 15348)]