132440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:72

約数の個数: 64

約数和(自身を含む): 380160

約数和(自身を除く): 247720

約数列:

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

約数ペア:

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