1520341720

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{108907}}^1$

素因数の和:109267

約数の個数: 32

約数和(自身を含む): 3430602000

約数和(自身を除く): 1910260280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 108907, 217814, 435628, 544535, 871256, 1089070, 2178140, 4356280, 38008543, 76017086, 152034172, 190042715, 304068344, 380085430, 760170860, 1520341720]

約数ペア:

[(1, 1520341720), (2, 760170860), (4, 380085430), (5, 304068344), (8, 190042715), (10, 152034172), (20, 76017086), (40, 38008543), (349, 4356280), (698, 2178140), (1396, 1089070), (1745, 871256), (2792, 544535), (3490, 435628), (6980, 217814), (13960, 108907)]