248416000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1147

約数の個数: 144

約数和(自身を含む): 707878080

約数和(自身を除く): 459462080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 560, 640, 700, 800, 875, 896, 1000, 1109, 1120, 1280, 1400, 1600, 1750, 1792, 2000, 2218, 2240, 2800, 3200, 3500, 4000, 4436, 4480, 5545, 5600, 6400, 7000, 7763, 8000, 8872, 8960, 11090, 11200, 14000, 15526, 16000, 17744, 22180, 22400, 27725, 28000, 31052, 32000, 35488, 38815, 44360, 44800, 55450, 56000, 62104, 70976, 77630, 88720, 110900, 112000, 124208, 138625, 141952, 155260, 177440, 194075, 221800, 224000, 248416, 277250, 283904, 310520, 354880, 388150, 443600, 496832, 554500, 621040, 709760, 776300, 887200, 970375, 993664, 1109000, 1242080, 1419520, 1552600, 1774400, 1940750, 1987328, 2218000, 2484160, 3105200, 3548800, 3881500, 4436000, 4968320, 6210400, 7097600, 7763000, 8872000, 9936640, 12420800, 15526000, 17744000, 24841600, 31052000, 35488000, 49683200, 62104000, 124208000, 248416000]

約数ペア:

[(1, 248416000), (2, 124208000), (4, 62104000), (5, 49683200), (7, 35488000), (8, 31052000), (10, 24841600), (14, 17744000), (16, 15526000), (20, 12420800), (25, 9936640), (28, 8872000), (32, 7763000), (35, 7097600), (40, 6210400), (50, 4968320), (56, 4436000), (64, 3881500), (70, 3548800), (80, 3105200), (100, 2484160), (112, 2218000), (125, 1987328), (128, 1940750), (140, 1774400), (160, 1552600), (175, 1419520), (200, 1242080), (224, 1109000), (250, 993664), (256, 970375), (280, 887200), (320, 776300), (350, 709760), (400, 621040), (448, 554500), (500, 496832), (560, 443600), (640, 388150), (700, 354880), (800, 310520), (875, 283904), (896, 277250), (1000, 248416), (1109, 224000), (1120, 221800), (1280, 194075), (1400, 177440), (1600, 155260), (1750, 141952), (1792, 138625), (2000, 124208), (2218, 112000), (2240, 110900), (2800, 88720), (3200, 77630), (3500, 70976), (4000, 62104), (4436, 56000), (4480, 55450), (5545, 44800), (5600, 44360), (6400, 38815), (7000, 35488), (7763, 32000), (8000, 31052), (8872, 28000), (8960, 27725), (11090, 22400), (11200, 22180), (14000, 17744), (15526, 16000)]