2640660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4001}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 8068032

約数和(自身を除く): 5427372

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 4001, 8002, 12003, 16004, 20005, 24006, 40010, 44011, 48012, 60015, 80020, 88022, 120030, 132033, 176044, 220055, 240060, 264066, 440110, 528132, 660165, 880220, 1320330, 2640660]

約数ペア:

[(1, 2640660), (2, 1320330), (3, 880220), (4, 660165), (5, 528132), (6, 440110), (10, 264066), (11, 240060), (12, 220055), (15, 176044), (20, 132033), (22, 120030), (30, 88022), (33, 80020), (44, 60015), (55, 48012), (60, 44011), (66, 40010), (110, 24006), (132, 20005), (165, 16004), (220, 12003), (330, 8002), (660, 4001)]