12783760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 33033600

約数和(自身を除く): 20249840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 199, 220, 292, 365, 398, 440, 584, 730, 796, 803, 880, 995, 1168, 1460, 1592, 1606, 1990, 2189, 2920, 3184, 3212, 3980, 4015, 4378, 5840, 6424, 7960, 8030, 8756, 10945, 12848, 14527, 15920, 16060, 17512, 21890, 29054, 32120, 35024, 43780, 58108, 64240, 72635, 87560, 116216, 145270, 159797, 175120, 232432, 290540, 319594, 581080, 639188, 798985, 1162160, 1278376, 1597970, 2556752, 3195940, 6391880, 12783760]

約数ペア:

[(1, 12783760), (2, 6391880), (4, 3195940), (5, 2556752), (8, 1597970), (10, 1278376), (11, 1162160), (16, 798985), (20, 639188), (22, 581080), (40, 319594), (44, 290540), (55, 232432), (73, 175120), (80, 159797), (88, 145270), (110, 116216), (146, 87560), (176, 72635), (199, 64240), (220, 58108), (292, 43780), (365, 35024), (398, 32120), (440, 29054), (584, 21890), (730, 17512), (796, 16060), (803, 15920), (880, 14527), (995, 12848), (1168, 10945), (1460, 8756), (1592, 8030), (1606, 7960), (1990, 6424), (2189, 5840), (2920, 4378), (3184, 4015), (3212, 3980)]