1540120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 3502800

約数和(自身を除く): 1962680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 277, 278, 554, 556, 695, 1108, 1112, 1385, 1390, 2216, 2770, 2780, 5540, 5560, 11080, 38503, 77006, 154012, 192515, 308024, 385030, 770060, 1540120]

約数ペア:

[(1, 1540120), (2, 770060), (4, 385030), (5, 308024), (8, 192515), (10, 154012), (20, 77006), (40, 38503), (139, 11080), (277, 5560), (278, 5540), (554, 2780), (556, 2770), (695, 2216), (1108, 1390), (1112, 1385)]