2912820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 8352960

約数和(自身を除く): 5440140

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, 1129, 1290, 2258, 2580, 3387, 4516, 5645, 6774, 11290, 13548, 16935, 22580, 33870, 48547, 67740, 97094, 145641, 194188, 242735, 291282, 485470, 582564, 728205, 970940, 1456410, 2912820]

約数ペア:

[(1, 2912820), (2, 1456410), (3, 970940), (4, 728205), (5, 582564), (6, 485470), (10, 291282), (12, 242735), (15, 194188), (20, 145641), (30, 97094), (43, 67740), (60, 48547), (86, 33870), (129, 22580), (172, 16935), (215, 13548), (258, 11290), (430, 6774), (516, 5645), (645, 4516), (860, 3387), (1129, 2580), (1290, 2258)]