2421760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 88

約数和(自身を含む): 6484896

約数和(自身を除く): 4063136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 160, 172, 176, 215, 220, 256, 320, 344, 352, 430, 440, 473, 512, 640, 688, 704, 860, 880, 946, 1024, 1280, 1376, 1408, 1720, 1760, 1892, 2365, 2560, 2752, 2816, 3440, 3520, 3784, 4730, 5120, 5504, 5632, 6880, 7040, 7568, 9460, 11008, 11264, 13760, 14080, 15136, 18920, 22016, 27520, 28160, 30272, 37840, 44032, 55040, 56320, 60544, 75680, 110080, 121088, 151360, 220160, 242176, 302720, 484352, 605440, 1210880, 2421760]

約数ペア:

[(1, 2421760), (2, 1210880), (4, 605440), (5, 484352), (8, 302720), (10, 242176), (11, 220160), (16, 151360), (20, 121088), (22, 110080), (32, 75680), (40, 60544), (43, 56320), (44, 55040), (55, 44032), (64, 37840), (80, 30272), (86, 28160), (88, 27520), (110, 22016), (128, 18920), (160, 15136), (172, 14080), (176, 13760), (215, 11264), (220, 11008), (256, 9460), (320, 7568), (344, 7040), (352, 6880), (430, 5632), (440, 5504), (473, 5120), (512, 4730), (640, 3784), (688, 3520), (704, 3440), (860, 2816), (880, 2752), (946, 2560), (1024, 2365), (1280, 1892), (1376, 1760), (1408, 1720)]