264880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:74

約数の個数: 80

約数和(自身を含む): 785664

約数和(自身を除く): 520784

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 110, 112, 140, 154, 172, 176, 215, 220, 280, 301, 308, 344, 385, 430, 440, 473, 560, 602, 616, 688, 770, 860, 880, 946, 1204, 1232, 1505, 1540, 1720, 1892, 2365, 2408, 3010, 3080, 3311, 3440, 3784, 4730, 4816, 6020, 6160, 6622, 7568, 9460, 12040, 13244, 16555, 18920, 24080, 26488, 33110, 37840, 52976, 66220, 132440, 264880]

約数ペア:

[(1, 264880), (2, 132440), (4, 66220), (5, 52976), (7, 37840), (8, 33110), (10, 26488), (11, 24080), (14, 18920), (16, 16555), (20, 13244), (22, 12040), (28, 9460), (35, 7568), (40, 6622), (43, 6160), (44, 6020), (55, 4816), (56, 4730), (70, 3784), (77, 3440), (80, 3311), (86, 3080), (88, 3010), (110, 2408), (112, 2365), (140, 1892), (154, 1720), (172, 1540), (176, 1505), (215, 1232), (220, 1204), (280, 946), (301, 880), (308, 860), (344, 770), (385, 688), (430, 616), (440, 602), (473, 560)]