1293440

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 3231360

約数和(自身を除く): 1937920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 64, 80, 86, 94, 128, 160, 172, 188, 215, 235, 320, 344, 376, 430, 470, 640, 688, 752, 860, 940, 1376, 1504, 1720, 1880, 2021, 2752, 3008, 3440, 3760, 4042, 5504, 6016, 6880, 7520, 8084, 10105, 13760, 15040, 16168, 20210, 27520, 30080, 32336, 40420, 64672, 80840, 129344, 161680, 258688, 323360, 646720, 1293440]

約数ペア:

[(1, 1293440), (2, 646720), (4, 323360), (5, 258688), (8, 161680), (10, 129344), (16, 80840), (20, 64672), (32, 40420), (40, 32336), (43, 30080), (47, 27520), (64, 20210), (80, 16168), (86, 15040), (94, 13760), (128, 10105), (160, 8084), (172, 7520), (188, 6880), (215, 6016), (235, 5504), (320, 4042), (344, 3760), (376, 3440), (430, 3008), (470, 2752), (640, 2021), (688, 1880), (752, 1720), (860, 1504), (940, 1376)]