1971200

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{11}}^1$

素因数の和:48

約数の個数: 132

約数和(自身を含む): 6091872

約数和(自身を除く): 4120672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 77, 80, 88, 100, 110, 112, 128, 140, 154, 160, 175, 176, 200, 220, 224, 256, 275, 280, 308, 320, 350, 352, 385, 400, 440, 448, 512, 550, 560, 616, 640, 700, 704, 770, 800, 880, 896, 1024, 1100, 1120, 1232, 1280, 1400, 1408, 1540, 1600, 1760, 1792, 1925, 2200, 2240, 2464, 2560, 2800, 2816, 3080, 3200, 3520, 3584, 3850, 4400, 4480, 4928, 5120, 5600, 5632, 6160, 6400, 7040, 7168, 7700, 8800, 8960, 9856, 11200, 11264, 12320, 12800, 14080, 15400, 17600, 17920, 19712, 22400, 24640, 25600, 28160, 30800, 35200, 35840, 39424, 44800, 49280, 56320, 61600, 70400, 78848, 89600, 98560, 123200, 140800, 179200, 197120, 246400, 281600, 394240, 492800, 985600, 1971200]

約数ペア:

[(1, 1971200), (2, 985600), (4, 492800), (5, 394240), (7, 281600), (8, 246400), (10, 197120), (11, 179200), (14, 140800), (16, 123200), (20, 98560), (22, 89600), (25, 78848), (28, 70400), (32, 61600), (35, 56320), (40, 49280), (44, 44800), (50, 39424), (55, 35840), (56, 35200), (64, 30800), (70, 28160), (77, 25600), (80, 24640), (88, 22400), (100, 19712), (110, 17920), (112, 17600), (128, 15400), (140, 14080), (154, 12800), (160, 12320), (175, 11264), (176, 11200), (200, 9856), (220, 8960), (224, 8800), (256, 7700), (275, 7168), (280, 7040), (308, 6400), (320, 6160), (350, 5632), (352, 5600), (385, 5120), (400, 4928), (440, 4480), (448, 4400), (512, 3850), (550, 3584), (560, 3520), (616, 3200), (640, 3080), (700, 2816), (704, 2800), (770, 2560), (800, 2464), (880, 2240), (896, 2200), (1024, 1925), (1100, 1792), (1120, 1760), (1232, 1600), (1280, 1540), (1400, 1408)]