1987328000

素因数分解:

$2^{11}\times 5^3\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1153

約数の個数: 192

約数和(自身を含む): 5672721600

約数和(自身を除く): 3685393600

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, 512, 560, 640, 700, 800, 875, 896, 1000, 1024, 1109, 1120, 1280, 1400, 1600, 1750, 1792, 2000, 2048, 2218, 2240, 2560, 2800, 3200, 3500, 3584, 4000, 4436, 4480, 5120, 5545, 5600, 6400, 7000, 7168, 7763, 8000, 8872, 8960, 10240, 11090, 11200, 12800, 14000, 14336, 15526, 16000, 17744, 17920, 22180, 22400, 25600, 27725, 28000, 31052, 32000, 35488, 35840, 38815, 44360, 44800, 51200, 55450, 56000, 62104, 64000, 70976, 71680, 77630, 88720, 89600, 110900, 112000, 124208, 128000, 138625, 141952, 155260, 177440, 179200, 194075, 221800, 224000, 248416, 256000, 277250, 283904, 310520, 354880, 358400, 388150, 443600, 448000, 496832, 554500, 567808, 621040, 709760, 776300, 887200, 896000, 970375, 993664, 1109000, 1135616, 1242080, 1419520, 1552600, 1774400, 1792000, 1940750, 1987328, 2218000, 2271232, 2484160, 2839040, 3105200, 3548800, 3881500, 3974656, 4436000, 4968320, 5678080, 6210400, 7097600, 7763000, 7949312, 8872000, 9936640, 11356160, 12420800, 14195200, 15526000, 15898624, 17744000, 19873280, 24841600, 28390400, 31052000, 35488000, 39746560, 49683200, 56780800, 62104000, 70976000, 79493120, 99366400, 124208000, 141952000, 198732800, 248416000, 283904000, 397465600, 496832000, 993664000, 1987328000]

約数ペア:

[(1, 1987328000), (2, 993664000), (4, 496832000), (5, 397465600), (7, 283904000), (8, 248416000), (10, 198732800), (14, 141952000), (16, 124208000), (20, 99366400), (25, 79493120), (28, 70976000), (32, 62104000), (35, 56780800), (40, 49683200), (50, 39746560), (56, 35488000), (64, 31052000), (70, 28390400), (80, 24841600), (100, 19873280), (112, 17744000), (125, 15898624), (128, 15526000), (140, 14195200), (160, 12420800), (175, 11356160), (200, 9936640), (224, 8872000), (250, 7949312), (256, 7763000), (280, 7097600), (320, 6210400), (350, 5678080), (400, 4968320), (448, 4436000), (500, 3974656), (512, 3881500), (560, 3548800), (640, 3105200), (700, 2839040), (800, 2484160), (875, 2271232), (896, 2218000), (1000, 1987328), (1024, 1940750), (1109, 1792000), (1120, 1774400), (1280, 1552600), (1400, 1419520), (1600, 1242080), (1750, 1135616), (1792, 1109000), (2000, 993664), (2048, 970375), (2218, 896000), (2240, 887200), (2560, 776300), (2800, 709760), (3200, 621040), (3500, 567808), (3584, 554500), (4000, 496832), (4436, 448000), (4480, 443600), (5120, 388150), (5545, 358400), (5600, 354880), (6400, 310520), (7000, 283904), (7168, 277250), (7763, 256000), (8000, 248416), (8872, 224000), (8960, 221800), (10240, 194075), (11090, 179200), (11200, 177440), (12800, 155260), (14000, 141952), (14336, 138625), (15526, 128000), (16000, 124208), (17744, 112000), (17920, 110900), (22180, 89600), (22400, 88720), (25600, 77630), (27725, 71680), (28000, 70976), (31052, 64000), (32000, 62104), (35488, 56000), (35840, 55450), (38815, 51200), (44360, 44800)]