426660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 1288896

約数和(自身を除く): 862236

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, 547, 780, 1094, 1641, 2188, 2735, 3282, 5470, 6564, 7111, 8205, 10940, 14222, 16410, 21333, 28444, 32820, 35555, 42666, 71110, 85332, 106665, 142220, 213330, 426660]

約数ペア:

[(1, 426660), (2, 213330), (3, 142220), (4, 106665), (5, 85332), (6, 71110), (10, 42666), (12, 35555), (13, 32820), (15, 28444), (20, 21333), (26, 16410), (30, 14222), (39, 10940), (52, 8205), (60, 7111), (65, 6564), (78, 5470), (130, 3282), (156, 2735), (195, 2188), (260, 1641), (390, 1094), (547, 780)]