148381520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1308

約数の個数: 80

約数和(自身を含む): 396188928

約数和(自身を除く): 247807408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1031, 1285, 1799, 2056, 2062, 2570, 3598, 4112, 4124, 5140, 5155, 7196, 7217, 8248, 8995, 10280, 10310, 14392, 14434, 16496, 17990, 20560, 20620, 28784, 28868, 35980, 36085, 41240, 57736, 71960, 72170, 82480, 115472, 143920, 144340, 264967, 288680, 529934, 577360, 1059868, 1324835, 1854769, 2119736, 2649670, 3709538, 4239472, 5299340, 7419076, 9273845, 10598680, 14838152, 18547690, 21197360, 29676304, 37095380, 74190760, 148381520]

約数ペア:

[(1, 148381520), (2, 74190760), (4, 37095380), (5, 29676304), (7, 21197360), (8, 18547690), (10, 14838152), (14, 10598680), (16, 9273845), (20, 7419076), (28, 5299340), (35, 4239472), (40, 3709538), (56, 2649670), (70, 2119736), (80, 1854769), (112, 1324835), (140, 1059868), (257, 577360), (280, 529934), (514, 288680), (560, 264967), (1028, 144340), (1031, 143920), (1285, 115472), (1799, 82480), (2056, 72170), (2062, 71960), (2570, 57736), (3598, 41240), (4112, 36085), (4124, 35980), (5140, 28868), (5155, 28784), (7196, 20620), (7217, 20560), (8248, 17990), (8995, 16496), (10280, 14434), (10310, 14392)]