2166060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2802

約数の個数: 48

約数和(自身を含む): 6533856

約数和(自身を除く): 4367796

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, 2777, 5554, 8331, 11108, 13885, 16662, 27770, 33324, 36101, 41655, 55540, 72202, 83310, 108303, 144404, 166620, 180505, 216606, 361010, 433212, 541515, 722020, 1083030, 2166060]

約数ペア:

[(1, 2166060), (2, 1083030), (3, 722020), (4, 541515), (5, 433212), (6, 361010), (10, 216606), (12, 180505), (13, 166620), (15, 144404), (20, 108303), (26, 83310), (30, 72202), (39, 55540), (52, 41655), (60, 36101), (65, 33324), (78, 27770), (130, 16662), (156, 13885), (195, 11108), (260, 8331), (390, 5554), (780, 2777)]