259892800

素因数分解:

$2^6\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1428

約数の個数: 84

約数和(自身を含む): 645038080

約数和(自身を除く): 385145280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 160, 200, 254, 320, 400, 508, 635, 800, 1016, 1270, 1279, 1600, 2032, 2540, 2558, 3175, 4064, 5080, 5116, 6350, 6395, 8128, 10160, 10232, 12700, 12790, 20320, 20464, 25400, 25580, 31975, 40640, 40928, 50800, 51160, 63950, 81856, 101600, 102320, 127900, 162433, 203200, 204640, 255800, 324866, 409280, 511600, 649732, 812165, 1023200, 1299464, 1624330, 2046400, 2598928, 3248660, 4060825, 5197856, 6497320, 8121650, 10395712, 12994640, 16243300, 25989280, 32486600, 51978560, 64973200, 129946400, 259892800]

約数ペア:

[(1, 259892800), (2, 129946400), (4, 64973200), (5, 51978560), (8, 32486600), (10, 25989280), (16, 16243300), (20, 12994640), (25, 10395712), (32, 8121650), (40, 6497320), (50, 5197856), (64, 4060825), (80, 3248660), (100, 2598928), (127, 2046400), (160, 1624330), (200, 1299464), (254, 1023200), (320, 812165), (400, 649732), (508, 511600), (635, 409280), (800, 324866), (1016, 255800), (1270, 204640), (1279, 203200), (1600, 162433), (2032, 127900), (2540, 102320), (2558, 101600), (3175, 81856), (4064, 63950), (5080, 51160), (5116, 50800), (6350, 40928), (6395, 40640), (8128, 31975), (10160, 25580), (10232, 25400), (12700, 20464), (12790, 20320)]