256271760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{355933}}^1$

素因数の和:355952

約数の個数: 60

約数和(自身を含む): 860648412

約数和(自身を除く): 604376652

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 355933, 711866, 1067799, 1423732, 1779665, 2135598, 2847464, 3203397, 3559330, 4271196, 5338995, 5694928, 6406794, 7118660, 8542392, 10677990, 12813588, 14237320, 16016985, 17084784, 21355980, 25627176, 28474640, 32033970, 42711960, 51254352, 64067940, 85423920, 128135880, 256271760]

約数ペア:

[(1, 256271760), (2, 128135880), (3, 85423920), (4, 64067940), (5, 51254352), (6, 42711960), (8, 32033970), (9, 28474640), (10, 25627176), (12, 21355980), (15, 17084784), (16, 16016985), (18, 14237320), (20, 12813588), (24, 10677990), (30, 8542392), (36, 7118660), (40, 6406794), (45, 5694928), (48, 5338995), (60, 4271196), (72, 3559330), (80, 3203397), (90, 2847464), (120, 2135598), (144, 1779665), (180, 1423732), (240, 1067799), (360, 711866), (720, 355933)]