1320240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5501}}^1$

素因数の和:5517

約数の個数: 40

約数和(自身を含む): 4093488

約数和(自身を除く): 2773248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5501, 11002, 16503, 22004, 27505, 33006, 44008, 55010, 66012, 82515, 88016, 110020, 132024, 165030, 220040, 264048, 330060, 440080, 660120, 1320240]

約数ペア:

[(1, 1320240), (2, 660120), (3, 440080), (4, 330060), (5, 264048), (6, 220040), (8, 165030), (10, 132024), (12, 110020), (15, 88016), (16, 82515), (20, 66012), (24, 55010), (30, 44008), (40, 33006), (48, 27505), (60, 22004), (80, 16503), (120, 11002), (240, 5501)]