128997720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{358327}}^1$

素因数の和:358344

約数の個数: 48

約数和(自身を含む): 419243760

約数和(自身を除く): 290246040

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, 358327, 716654, 1074981, 1433308, 1791635, 2149962, 2866616, 3224943, 3583270, 4299924, 5374905, 6449886, 7166540, 8599848, 10749810, 12899772, 14333080, 16124715, 21499620, 25799544, 32249430, 42999240, 64498860, 128997720]

約数ペア:

[(1, 128997720), (2, 64498860), (3, 42999240), (4, 32249430), (5, 25799544), (6, 21499620), (8, 16124715), (9, 14333080), (10, 12899772), (12, 10749810), (15, 8599848), (18, 7166540), (20, 6449886), (24, 5374905), (30, 4299924), (36, 3583270), (40, 3224943), (45, 2866616), (60, 2149962), (72, 1791635), (90, 1433308), (120, 1074981), (180, 716654), (360, 358327)]