6391880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 15984000

約数和(自身を除く): 9592120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 199, 220, 292, 365, 398, 440, 584, 730, 796, 803, 995, 1460, 1592, 1606, 1990, 2189, 2920, 3212, 3980, 4015, 4378, 6424, 7960, 8030, 8756, 10945, 14527, 16060, 17512, 21890, 29054, 32120, 43780, 58108, 72635, 87560, 116216, 145270, 159797, 290540, 319594, 581080, 639188, 798985, 1278376, 1597970, 3195940, 6391880]

約数ペア:

[(1, 6391880), (2, 3195940), (4, 1597970), (5, 1278376), (8, 798985), (10, 639188), (11, 581080), (20, 319594), (22, 290540), (40, 159797), (44, 145270), (55, 116216), (73, 87560), (88, 72635), (110, 58108), (146, 43780), (199, 32120), (220, 29054), (292, 21890), (365, 17512), (398, 16060), (440, 14527), (584, 10945), (730, 8756), (796, 8030), (803, 7960), (995, 6424), (1460, 4378), (1592, 4015), (1606, 3980), (1990, 3212), (2189, 2920)]