1608734720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{157103}}^1$

素因数の和:157130

約数の個数: 48

約数和(自身を含む): 3860045280

約数和(自身を除く): 2251310560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 157103, 314206, 628412, 785515, 1256824, 1571030, 2513648, 3142060, 5027296, 6284120, 10054592, 12568240, 20109184, 25136480, 40218368, 50272960, 80436736, 100545920, 160873472, 201091840, 321746944, 402183680, 804367360, 1608734720]

約数ペア:

[(1, 1608734720), (2, 804367360), (4, 402183680), (5, 321746944), (8, 201091840), (10, 160873472), (16, 100545920), (20, 80436736), (32, 50272960), (40, 40218368), (64, 25136480), (80, 20109184), (128, 12568240), (160, 10054592), (256, 6284120), (320, 5027296), (512, 3142060), (640, 2513648), (1024, 1571030), (1280, 1256824), (2048, 785515), (2560, 628412), (5120, 314206), (10240, 157103)]