1224640

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 56

約数和(自身を含む): 3017520

約数和(自身を除く): 1792880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 89, 160, 172, 178, 215, 320, 344, 356, 430, 445, 688, 712, 860, 890, 1376, 1424, 1720, 1780, 2752, 2848, 3440, 3560, 3827, 5696, 6880, 7120, 7654, 13760, 14240, 15308, 19135, 28480, 30616, 38270, 61232, 76540, 122464, 153080, 244928, 306160, 612320, 1224640]

約数ペア:

[(1, 1224640), (2, 612320), (4, 306160), (5, 244928), (8, 153080), (10, 122464), (16, 76540), (20, 61232), (32, 38270), (40, 30616), (43, 28480), (64, 19135), (80, 15308), (86, 14240), (89, 13760), (160, 7654), (172, 7120), (178, 6880), (215, 5696), (320, 3827), (344, 3560), (356, 3440), (430, 2848), (445, 2752), (688, 1780), (712, 1720), (860, 1424), (890, 1376)]