302720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:73

約数の個数: 64

約数和(自身を含む): 807840

約数和(自身を除く): 505120

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, 320, 344, 352, 430, 440, 473, 640, 688, 704, 860, 880, 946, 1376, 1408, 1720, 1760, 1892, 2365, 2752, 3440, 3520, 3784, 4730, 5504, 6880, 7040, 7568, 9460, 13760, 15136, 18920, 27520, 30272, 37840, 60544, 75680, 151360, 302720]

約数ペア:

[(1, 302720), (2, 151360), (4, 75680), (5, 60544), (8, 37840), (10, 30272), (11, 27520), (16, 18920), (20, 15136), (22, 13760), (32, 9460), (40, 7568), (43, 7040), (44, 6880), (55, 5504), (64, 4730), (80, 3784), (86, 3520), (88, 3440), (110, 2752), (128, 2365), (160, 1892), (172, 1760), (176, 1720), (215, 1408), (220, 1376), (320, 946), (344, 880), (352, 860), (430, 704), (440, 688), (473, 640)]