257340120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2144501}}^1$

素因数の和:2144515

約数の個数: 32

約数和(自身を含む): 772020720

約数和(自身を除く): 514680600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2144501, 4289002, 6433503, 8578004, 10722505, 12867006, 17156008, 21445010, 25734012, 32167515, 42890020, 51468024, 64335030, 85780040, 128670060, 257340120]

約数ペア:

[(1, 257340120), (2, 128670060), (3, 85780040), (4, 64335030), (5, 51468024), (6, 42890020), (8, 32167515), (10, 25734012), (12, 21445010), (15, 17156008), (20, 12867006), (24, 10722505), (30, 8578004), (40, 6433503), (60, 4289002), (120, 2144501)]