1369120

素因数分解:

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

素因数の和:257

約数の個数: 48

約数和(自身を含む): 3326400

約数和(自身を除く): 1957280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 199, 215, 344, 398, 430, 688, 796, 860, 995, 1376, 1592, 1720, 1990, 3184, 3440, 3980, 6368, 6880, 7960, 8557, 15920, 17114, 31840, 34228, 42785, 68456, 85570, 136912, 171140, 273824, 342280, 684560, 1369120]

約数ペア:

[(1, 1369120), (2, 684560), (4, 342280), (5, 273824), (8, 171140), (10, 136912), (16, 85570), (20, 68456), (32, 42785), (40, 34228), (43, 31840), (80, 17114), (86, 15920), (160, 8557), (172, 7960), (199, 6880), (215, 6368), (344, 3980), (398, 3440), (430, 3184), (688, 1990), (796, 1720), (860, 1592), (995, 1376)]