504660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 1524096

約数和(自身を除く): 1019436

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, 647, 780, 1294, 1941, 2588, 3235, 3882, 6470, 7764, 8411, 9705, 12940, 16822, 19410, 25233, 33644, 38820, 42055, 50466, 84110, 100932, 126165, 168220, 252330, 504660]

約数ペア:

[(1, 504660), (2, 252330), (3, 168220), (4, 126165), (5, 100932), (6, 84110), (10, 50466), (12, 42055), (13, 38820), (15, 33644), (20, 25233), (26, 19410), (30, 16822), (39, 12940), (52, 9705), (60, 8411), (65, 7764), (78, 6470), (130, 3882), (156, 3235), (195, 2588), (260, 1941), (390, 1294), (647, 780)]