71568320

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1765

約数の個数: 56

約数和(自身を含む): 171754800

約数和(自身を除く): 100186480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1609, 2224, 2780, 3218, 4448, 5560, 6436, 8045, 8896, 11120, 12872, 16090, 22240, 25744, 32180, 44480, 51488, 64360, 102976, 128720, 223651, 257440, 447302, 514880, 894604, 1118255, 1789208, 2236510, 3578416, 4473020, 7156832, 8946040, 14313664, 17892080, 35784160, 71568320]

約数ペア:

[(1, 71568320), (2, 35784160), (4, 17892080), (5, 14313664), (8, 8946040), (10, 7156832), (16, 4473020), (20, 3578416), (32, 2236510), (40, 1789208), (64, 1118255), (80, 894604), (139, 514880), (160, 447302), (278, 257440), (320, 223651), (556, 128720), (695, 102976), (1112, 64360), (1390, 51488), (1609, 44480), (2224, 32180), (2780, 25744), (3218, 22240), (4448, 16090), (5560, 12872), (6436, 11120), (8045, 8896)]