256970560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10429}}^1$

素因数の和:10464

約数の個数: 112

約数和(自身を含む): 762975360

約数和(自身を除く): 506004800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 10429, 12320, 20858, 24640, 41716, 52145, 73003, 83432, 104290, 114719, 146006, 166864, 208580, 229438, 292012, 333728, 365015, 417160, 458876, 573595, 584024, 667456, 730030, 803033, 834320, 917752, 1147190, 1168048, 1460060, 1606066, 1668640, 1835504, 2294380, 2336096, 2920120, 3212132, 3337280, 3671008, 4015165, 4588760, 4672192, 5840240, 6424264, 7342016, 8030330, 9177520, 11680480, 12848528, 16060660, 18355040, 23360960, 25697056, 32121320, 36710080, 51394112, 64242640, 128485280, 256970560]

約数ペア:

[(1, 256970560), (2, 128485280), (4, 64242640), (5, 51394112), (7, 36710080), (8, 32121320), (10, 25697056), (11, 23360960), (14, 18355040), (16, 16060660), (20, 12848528), (22, 11680480), (28, 9177520), (32, 8030330), (35, 7342016), (40, 6424264), (44, 5840240), (55, 4672192), (56, 4588760), (64, 4015165), (70, 3671008), (77, 3337280), (80, 3212132), (88, 2920120), (110, 2336096), (112, 2294380), (140, 1835504), (154, 1668640), (160, 1606066), (176, 1460060), (220, 1168048), (224, 1147190), (280, 917752), (308, 834320), (320, 803033), (352, 730030), (385, 667456), (440, 584024), (448, 573595), (560, 458876), (616, 417160), (704, 365015), (770, 333728), (880, 292012), (1120, 229438), (1232, 208580), (1540, 166864), (1760, 146006), (2240, 114719), (2464, 104290), (3080, 83432), (3520, 73003), (4928, 52145), (6160, 41716), (10429, 24640), (12320, 20858)]