8971520

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 22124256

約数和(自身を除く): 13152736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 163, 172, 215, 256, 320, 326, 344, 430, 640, 652, 688, 815, 860, 1280, 1304, 1376, 1630, 1720, 2608, 2752, 3260, 3440, 5216, 5504, 6520, 6880, 7009, 10432, 11008, 13040, 13760, 14018, 20864, 26080, 27520, 28036, 35045, 41728, 52160, 55040, 56072, 70090, 104320, 112144, 140180, 208640, 224288, 280360, 448576, 560720, 897152, 1121440, 1794304, 2242880, 4485760, 8971520]

約数ペア:

[(1, 8971520), (2, 4485760), (4, 2242880), (5, 1794304), (8, 1121440), (10, 897152), (16, 560720), (20, 448576), (32, 280360), (40, 224288), (43, 208640), (64, 140180), (80, 112144), (86, 104320), (128, 70090), (160, 56072), (163, 55040), (172, 52160), (215, 41728), (256, 35045), (320, 28036), (326, 27520), (344, 26080), (430, 20864), (640, 14018), (652, 13760), (688, 13040), (815, 11008), (860, 10432), (1280, 7009), (1304, 6880), (1376, 6520), (1630, 5504), (1720, 5216), (2608, 3440), (2752, 3260)]