75680000

素因数分解:

$2^8\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 180

約数和(自身を含む): 210720048

約数和(自身を除く): 135040048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 43, 44, 50, 55, 64, 80, 86, 88, 100, 110, 125, 128, 160, 172, 176, 200, 215, 220, 250, 256, 275, 320, 344, 352, 400, 430, 440, 473, 500, 550, 625, 640, 688, 704, 800, 860, 880, 946, 1000, 1075, 1100, 1250, 1280, 1375, 1376, 1408, 1600, 1720, 1760, 1892, 2000, 2150, 2200, 2365, 2500, 2750, 2752, 2816, 3200, 3440, 3520, 3784, 4000, 4300, 4400, 4730, 5000, 5375, 5500, 5504, 6400, 6875, 6880, 7040, 7568, 8000, 8600, 8800, 9460, 10000, 10750, 11000, 11008, 11825, 13750, 13760, 14080, 15136, 16000, 17200, 17600, 18920, 20000, 21500, 22000, 23650, 26875, 27500, 27520, 30272, 32000, 34400, 35200, 37840, 40000, 43000, 44000, 47300, 53750, 55000, 55040, 59125, 60544, 68800, 70400, 75680, 80000, 86000, 88000, 94600, 107500, 110000, 118250, 121088, 137600, 151360, 160000, 172000, 176000, 189200, 215000, 220000, 236500, 275200, 295625, 302720, 344000, 352000, 378400, 430000, 440000, 473000, 591250, 605440, 688000, 756800, 860000, 880000, 946000, 1182500, 1376000, 1513600, 1720000, 1760000, 1892000, 2365000, 3027200, 3440000, 3784000, 4730000, 6880000, 7568000, 9460000, 15136000, 18920000, 37840000, 75680000]

約数ペア:

[(1, 75680000), (2, 37840000), (4, 18920000), (5, 15136000), (8, 9460000), (10, 7568000), (11, 6880000), (16, 4730000), (20, 3784000), (22, 3440000), (25, 3027200), (32, 2365000), (40, 1892000), (43, 1760000), (44, 1720000), (50, 1513600), (55, 1376000), (64, 1182500), (80, 946000), (86, 880000), (88, 860000), (100, 756800), (110, 688000), (125, 605440), (128, 591250), (160, 473000), (172, 440000), (176, 430000), (200, 378400), (215, 352000), (220, 344000), (250, 302720), (256, 295625), (275, 275200), (320, 236500), (344, 220000), (352, 215000), (400, 189200), (430, 176000), (440, 172000), (473, 160000), (500, 151360), (550, 137600), (625, 121088), (640, 118250), (688, 110000), (704, 107500), (800, 94600), (860, 88000), (880, 86000), (946, 80000), (1000, 75680), (1075, 70400), (1100, 68800), (1250, 60544), (1280, 59125), (1375, 55040), (1376, 55000), (1408, 53750), (1600, 47300), (1720, 44000), (1760, 43000), (1892, 40000), (2000, 37840), (2150, 35200), (2200, 34400), (2365, 32000), (2500, 30272), (2750, 27520), (2752, 27500), (2816, 26875), (3200, 23650), (3440, 22000), (3520, 21500), (3784, 20000), (4000, 18920), (4300, 17600), (4400, 17200), (4730, 16000), (5000, 15136), (5375, 14080), (5500, 13760), (5504, 13750), (6400, 11825), (6875, 11008), (6880, 11000), (7040, 10750), (7568, 10000), (8000, 9460), (8600, 8800)]