18841320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 61776000

約数和(自身を除く): 42934680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 263, 360, 398, 526, 597, 789, 796, 995, 1052, 1194, 1315, 1578, 1592, 1791, 1990, 2104, 2367, 2388, 2630, 2985, 3156, 3582, 3945, 3980, 4734, 4776, 5260, 5970, 6312, 7164, 7890, 7960, 8955, 9468, 10520, 11835, 11940, 14328, 15780, 17910, 18936, 23670, 23880, 31560, 35820, 47340, 52337, 71640, 94680, 104674, 157011, 209348, 261685, 314022, 418696, 471033, 523370, 628044, 785055, 942066, 1046740, 1256088, 1570110, 1884132, 2093480, 2355165, 3140220, 3768264, 4710330, 6280440, 9420660, 18841320]

約数ペア:

[(1, 18841320), (2, 9420660), (3, 6280440), (4, 4710330), (5, 3768264), (6, 3140220), (8, 2355165), (9, 2093480), (10, 1884132), (12, 1570110), (15, 1256088), (18, 1046740), (20, 942066), (24, 785055), (30, 628044), (36, 523370), (40, 471033), (45, 418696), (60, 314022), (72, 261685), (90, 209348), (120, 157011), (180, 104674), (199, 94680), (263, 71640), (360, 52337), (398, 47340), (526, 35820), (597, 31560), (789, 23880), (796, 23670), (995, 18936), (1052, 17910), (1194, 15780), (1315, 14328), (1578, 11940), (1592, 11835), (1791, 10520), (1990, 9468), (2104, 8955), (2367, 7960), (2388, 7890), (2630, 7164), (2985, 6312), (3156, 5970), (3582, 5260), (3945, 4776), (3980, 4734)]