7815680

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 19445184

約数和(自身を除く): 11629504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 71, 80, 86, 128, 142, 160, 172, 215, 256, 284, 320, 344, 355, 430, 512, 568, 640, 688, 710, 860, 1136, 1280, 1376, 1420, 1720, 2272, 2560, 2752, 2840, 3053, 3440, 4544, 5504, 5680, 6106, 6880, 9088, 11008, 11360, 12212, 13760, 15265, 18176, 22016, 22720, 24424, 27520, 30530, 36352, 45440, 48848, 55040, 61060, 90880, 97696, 110080, 122120, 181760, 195392, 244240, 390784, 488480, 781568, 976960, 1563136, 1953920, 3907840, 7815680]

約数ペア:

[(1, 7815680), (2, 3907840), (4, 1953920), (5, 1563136), (8, 976960), (10, 781568), (16, 488480), (20, 390784), (32, 244240), (40, 195392), (43, 181760), (64, 122120), (71, 110080), (80, 97696), (86, 90880), (128, 61060), (142, 55040), (160, 48848), (172, 45440), (215, 36352), (256, 30530), (284, 27520), (320, 24424), (344, 22720), (355, 22016), (430, 18176), (512, 15265), (568, 13760), (640, 12212), (688, 11360), (710, 11008), (860, 9088), (1136, 6880), (1280, 6106), (1376, 5680), (1420, 5504), (1720, 4544), (2272, 3440), (2560, 3053), (2752, 2840)]