1378732800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{71809}}^1$

素因数の和:71838

約数の個数: 108

約数和(自身を含む): 4550168840

約数和(自身を除く): 3171436040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1200, 1280, 1600, 1920, 2400, 3200, 3840, 4800, 6400, 9600, 19200, 71809, 143618, 215427, 287236, 359045, 430854, 574472, 718090, 861708, 1077135, 1148944, 1436180, 1723416, 1795225, 2154270, 2297888, 2872360, 3446832, 3590450, 4308540, 4595776, 5385675, 5744720, 6893664, 7180900, 8617080, 9191552, 10771350, 11489440, 13787328, 14361800, 17234160, 18383104, 21542700, 22978880, 27574656, 28723600, 34468320, 43085400, 45957760, 55149312, 57447200, 68936640, 86170800, 91915520, 114894400, 137873280, 172341600, 229788800, 275746560, 344683200, 459577600, 689366400, 1378732800]

約数ペア:

[(1, 1378732800), (2, 689366400), (3, 459577600), (4, 344683200), (5, 275746560), (6, 229788800), (8, 172341600), (10, 137873280), (12, 114894400), (15, 91915520), (16, 86170800), (20, 68936640), (24, 57447200), (25, 55149312), (30, 45957760), (32, 43085400), (40, 34468320), (48, 28723600), (50, 27574656), (60, 22978880), (64, 21542700), (75, 18383104), (80, 17234160), (96, 14361800), (100, 13787328), (120, 11489440), (128, 10771350), (150, 9191552), (160, 8617080), (192, 7180900), (200, 6893664), (240, 5744720), (256, 5385675), (300, 4595776), (320, 4308540), (384, 3590450), (400, 3446832), (480, 2872360), (600, 2297888), (640, 2154270), (768, 1795225), (800, 1723416), (960, 1436180), (1200, 1148944), (1280, 1077135), (1600, 861708), (1920, 718090), (2400, 574472), (3200, 430854), (3840, 359045), (4800, 287236), (6400, 215427), (9600, 143618), (19200, 71809)]