28681860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11117}}^1$

素因数の和:11172

約数の個数: 48

約数和(自身を含む): 82184256

約数和(自身を除く): 53502396

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, 1290, 2580, 11117, 22234, 33351, 44468, 55585, 66702, 111170, 133404, 166755, 222340, 333510, 478031, 667020, 956062, 1434093, 1912124, 2390155, 2868186, 4780310, 5736372, 7170465, 9560620, 14340930, 28681860]

約数ペア:

[(1, 28681860), (2, 14340930), (3, 9560620), (4, 7170465), (5, 5736372), (6, 4780310), (10, 2868186), (12, 2390155), (15, 1912124), (20, 1434093), (30, 956062), (43, 667020), (60, 478031), (86, 333510), (129, 222340), (172, 166755), (215, 133404), (258, 111170), (430, 66702), (516, 55585), (645, 44468), (860, 33351), (1290, 22234), (2580, 11117)]