30828120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{256901}}^1$

素因数の和:256915

約数の個数: 32

約数和(自身を含む): 92484720

約数和(自身を除く): 61656600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 256901, 513802, 770703, 1027604, 1284505, 1541406, 2055208, 2569010, 3082812, 3853515, 5138020, 6165624, 7707030, 10276040, 15414060, 30828120]

約数ペア:

[(1, 30828120), (2, 15414060), (3, 10276040), (4, 7707030), (5, 6165624), (6, 5138020), (8, 3853515), (10, 3082812), (12, 2569010), (15, 2055208), (20, 1541406), (24, 1284505), (30, 1027604), (40, 770703), (60, 513802), (120, 256901)]