15961600

素因数分解:

$2^9\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 120

約数和(自身を含む): 41861160

約数和(自身を除く): 25899560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 43, 50, 58, 64, 80, 86, 100, 116, 128, 145, 160, 172, 200, 215, 232, 256, 290, 320, 344, 400, 430, 464, 512, 580, 640, 688, 725, 800, 860, 928, 1075, 1160, 1247, 1280, 1376, 1450, 1600, 1720, 1856, 2150, 2320, 2494, 2560, 2752, 2900, 3200, 3440, 3712, 4300, 4640, 4988, 5504, 5800, 6235, 6400, 6880, 7424, 8600, 9280, 9976, 11008, 11600, 12470, 12800, 13760, 14848, 17200, 18560, 19952, 22016, 23200, 24940, 27520, 31175, 34400, 37120, 39904, 46400, 49880, 55040, 62350, 68800, 74240, 79808, 92800, 99760, 110080, 124700, 137600, 159616, 185600, 199520, 249400, 275200, 319232, 371200, 399040, 498800, 550400, 638464, 798080, 997600, 1596160, 1995200, 3192320, 3990400, 7980800, 15961600]

約数ペア:

[(1, 15961600), (2, 7980800), (4, 3990400), (5, 3192320), (8, 1995200), (10, 1596160), (16, 997600), (20, 798080), (25, 638464), (29, 550400), (32, 498800), (40, 399040), (43, 371200), (50, 319232), (58, 275200), (64, 249400), (80, 199520), (86, 185600), (100, 159616), (116, 137600), (128, 124700), (145, 110080), (160, 99760), (172, 92800), (200, 79808), (215, 74240), (232, 68800), (256, 62350), (290, 55040), (320, 49880), (344, 46400), (400, 39904), (430, 37120), (464, 34400), (512, 31175), (580, 27520), (640, 24940), (688, 23200), (725, 22016), (800, 19952), (860, 18560), (928, 17200), (1075, 14848), (1160, 13760), (1247, 12800), (1280, 12470), (1376, 11600), (1450, 11008), (1600, 9976), (1720, 9280), (1856, 8600), (2150, 7424), (2320, 6880), (2494, 6400), (2560, 6235), (2752, 5800), (2900, 5504), (3200, 4988), (3440, 4640), (3712, 4300)]