205123320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{189929}}^1$

素因数の和:189949

約数の個数: 64

約数和(自身を含む): 683748000

約数和(自身を除く): 478624680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 189929, 379858, 569787, 759716, 949645, 1139574, 1519432, 1709361, 1899290, 2279148, 2848935, 3418722, 3798580, 4558296, 5128083, 5697870, 6837444, 7597160, 8546805, 10256166, 11395740, 13674888, 17093610, 20512332, 22791480, 25640415, 34187220, 41024664, 51280830, 68374440, 102561660, 205123320]

約数ペア:

[(1, 205123320), (2, 102561660), (3, 68374440), (4, 51280830), (5, 41024664), (6, 34187220), (8, 25640415), (9, 22791480), (10, 20512332), (12, 17093610), (15, 13674888), (18, 11395740), (20, 10256166), (24, 8546805), (27, 7597160), (30, 6837444), (36, 5697870), (40, 5128083), (45, 4558296), (54, 3798580), (60, 3418722), (72, 2848935), (90, 2279148), (108, 1899290), (120, 1709361), (135, 1519432), (180, 1139574), (216, 949645), (270, 759716), (360, 569787), (540, 379858), (1080, 189929)]