128271960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356311}}^1$

素因数の和:356328

約数の個数: 48

約数和(自身を含む): 416885040

約数和(自身を除く): 288613080

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, 360, 356311, 712622, 1068933, 1425244, 1781555, 2137866, 2850488, 3206799, 3563110, 4275732, 5344665, 6413598, 7126220, 8551464, 10689330, 12827196, 14252440, 16033995, 21378660, 25654392, 32067990, 42757320, 64135980, 128271960]

約数ペア:

[(1, 128271960), (2, 64135980), (3, 42757320), (4, 32067990), (5, 25654392), (6, 21378660), (8, 16033995), (9, 14252440), (10, 12827196), (12, 10689330), (15, 8551464), (18, 7126220), (20, 6413598), (24, 5344665), (30, 4275732), (36, 3563110), (40, 3206799), (45, 2850488), (60, 2137866), (72, 1781555), (90, 1425244), (120, 1068933), (180, 712622), (360, 356311)]