2520660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 7229376

約数和(自身を除く): 4708716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 977, 1290, 1954, 2580, 2931, 3908, 4885, 5862, 9770, 11724, 14655, 19540, 29310, 42011, 58620, 84022, 126033, 168044, 210055, 252066, 420110, 504132, 630165, 840220, 1260330, 2520660]

約数ペア:

[(1, 2520660), (2, 1260330), (3, 840220), (4, 630165), (5, 504132), (6, 420110), (10, 252066), (12, 210055), (15, 168044), (20, 126033), (30, 84022), (43, 58620), (60, 42011), (86, 29310), (129, 19540), (172, 14655), (215, 11724), (258, 9770), (430, 5862), (516, 4885), (645, 3908), (860, 2931), (977, 2580), (1290, 1954)]