1666860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 5028576

約数和(自身を除く): 3361716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2137, 4274, 6411, 8548, 10685, 12822, 21370, 25644, 27781, 32055, 42740, 55562, 64110, 83343, 111124, 128220, 138905, 166686, 277810, 333372, 416715, 555620, 833430, 1666860]

約数ペア:

[(1, 1666860), (2, 833430), (3, 555620), (4, 416715), (5, 333372), (6, 277810), (10, 166686), (12, 138905), (13, 128220), (15, 111124), (20, 83343), (26, 64110), (30, 55562), (39, 42740), (52, 32055), (60, 27781), (65, 25644), (78, 21370), (130, 12822), (156, 10685), (195, 8548), (260, 6411), (390, 4274), (780, 2137)]