27981480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{929}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 84369600

約数和(自身を除く): 56388120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 929, 1004, 1255, 1506, 1858, 2008, 2510, 2787, 3012, 3716, 3765, 4645, 5020, 5574, 6024, 7432, 7530, 9290, 10040, 11148, 13935, 15060, 18580, 22296, 27870, 30120, 37160, 55740, 111480, 233179, 466358, 699537, 932716, 1165895, 1399074, 1865432, 2331790, 2798148, 3497685, 4663580, 5596296, 6995370, 9327160, 13990740, 27981480]

約数ペア:

[(1, 27981480), (2, 13990740), (3, 9327160), (4, 6995370), (5, 5596296), (6, 4663580), (8, 3497685), (10, 2798148), (12, 2331790), (15, 1865432), (20, 1399074), (24, 1165895), (30, 932716), (40, 699537), (60, 466358), (120, 233179), (251, 111480), (502, 55740), (753, 37160), (929, 30120), (1004, 27870), (1255, 22296), (1506, 18580), (1858, 15060), (2008, 13935), (2510, 11148), (2787, 10040), (3012, 9290), (3716, 7530), (3765, 7432), (4645, 6024), (5020, 5574)]