6480940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 14470848

約数和(自身を除く): 7989908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 193, 230, 292, 365, 386, 460, 730, 772, 965, 1460, 1679, 1930, 3358, 3860, 4439, 6716, 8395, 8878, 14089, 16790, 17756, 22195, 28178, 33580, 44390, 56356, 70445, 88780, 140890, 281780, 324047, 648094, 1296188, 1620235, 3240470, 6480940]

約数ペア:

[(1, 6480940), (2, 3240470), (4, 1620235), (5, 1296188), (10, 648094), (20, 324047), (23, 281780), (46, 140890), (73, 88780), (92, 70445), (115, 56356), (146, 44390), (193, 33580), (230, 28178), (292, 22195), (365, 17756), (386, 16790), (460, 14089), (730, 8878), (772, 8395), (965, 6716), (1460, 4439), (1679, 3860), (1930, 3358)]