2680620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 7687680

約数和(自身を除く): 5007060

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, 1039, 1290, 2078, 2580, 3117, 4156, 5195, 6234, 10390, 12468, 15585, 20780, 31170, 44677, 62340, 89354, 134031, 178708, 223385, 268062, 446770, 536124, 670155, 893540, 1340310, 2680620]

約数ペア:

[(1, 2680620), (2, 1340310), (3, 893540), (4, 670155), (5, 536124), (6, 446770), (10, 268062), (12, 223385), (15, 178708), (20, 134031), (30, 89354), (43, 62340), (60, 44677), (86, 31170), (129, 20780), (172, 15585), (215, 12468), (258, 10390), (430, 6234), (516, 5195), (645, 4156), (860, 3117), (1039, 2580), (1290, 2078)]