201813840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{280297}}^1$

素因数の和:280316

約数の個数: 60

約数和(自身を含む): 677760564

約数和(自身を除く): 475946724

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 280297, 560594, 840891, 1121188, 1401485, 1681782, 2242376, 2522673, 2802970, 3363564, 4204455, 4484752, 5045346, 5605940, 6727128, 8408910, 10090692, 11211880, 12613365, 13454256, 16817820, 20181384, 22423760, 25226730, 33635640, 40362768, 50453460, 67271280, 100906920, 201813840]

約数ペア:

[(1, 201813840), (2, 100906920), (3, 67271280), (4, 50453460), (5, 40362768), (6, 33635640), (8, 25226730), (9, 22423760), (10, 20181384), (12, 16817820), (15, 13454256), (16, 12613365), (18, 11211880), (20, 10090692), (24, 8408910), (30, 6727128), (36, 5605940), (40, 5045346), (45, 4484752), (48, 4204455), (60, 3363564), (72, 2802970), (80, 2522673), (90, 2242376), (120, 1681782), (144, 1401485), (180, 1121188), (240, 840891), (360, 560594), (720, 280297)]