15744880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 39283200

約数和(自身を除く): 23538320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 199, 215, 230, 344, 368, 398, 430, 460, 688, 796, 860, 920, 989, 995, 1592, 1720, 1840, 1978, 1990, 3184, 3440, 3956, 3980, 4577, 4945, 7912, 7960, 8557, 9154, 9890, 15824, 15920, 17114, 18308, 19780, 22885, 34228, 36616, 39560, 42785, 45770, 68456, 73232, 79120, 85570, 91540, 136912, 171140, 183080, 196811, 342280, 366160, 393622, 684560, 787244, 984055, 1574488, 1968110, 3148976, 3936220, 7872440, 15744880]

約数ペア:

[(1, 15744880), (2, 7872440), (4, 3936220), (5, 3148976), (8, 1968110), (10, 1574488), (16, 984055), (20, 787244), (23, 684560), (40, 393622), (43, 366160), (46, 342280), (80, 196811), (86, 183080), (92, 171140), (115, 136912), (172, 91540), (184, 85570), (199, 79120), (215, 73232), (230, 68456), (344, 45770), (368, 42785), (398, 39560), (430, 36616), (460, 34228), (688, 22885), (796, 19780), (860, 18308), (920, 17114), (989, 15920), (995, 15824), (1592, 9890), (1720, 9154), (1840, 8557), (1978, 7960), (1990, 7912), (3184, 4945), (3440, 4577), (3956, 3980)]