66818560

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:673

約数の個数: 80

約数和(自身を含む): 164203776

約数和(自身を除く): 97385216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 607, 640, 688, 860, 1214, 1280, 1376, 1720, 2428, 2560, 2752, 3035, 3440, 4856, 5504, 6070, 6880, 9712, 11008, 12140, 13760, 19424, 22016, 24280, 26101, 27520, 38848, 48560, 52202, 55040, 77696, 97120, 104404, 110080, 130505, 155392, 194240, 208808, 261010, 310784, 388480, 417616, 522020, 776960, 835232, 1044040, 1553920, 1670464, 2088080, 3340928, 4176160, 6681856, 8352320, 13363712, 16704640, 33409280, 66818560]

約数ペア:

[(1, 66818560), (2, 33409280), (4, 16704640), (5, 13363712), (8, 8352320), (10, 6681856), (16, 4176160), (20, 3340928), (32, 2088080), (40, 1670464), (43, 1553920), (64, 1044040), (80, 835232), (86, 776960), (128, 522020), (160, 417616), (172, 388480), (215, 310784), (256, 261010), (320, 208808), (344, 194240), (430, 155392), (512, 130505), (607, 110080), (640, 104404), (688, 97120), (860, 77696), (1214, 55040), (1280, 52202), (1376, 48560), (1720, 38848), (2428, 27520), (2560, 26101), (2752, 24280), (3035, 22016), (3440, 19424), (4856, 13760), (5504, 12140), (6070, 11008), (6880, 9712)]