66716720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1093}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 179065920

約数和(自身を除く): 112349200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1093, 1526, 1744, 2180, 2186, 3052, 3815, 4360, 4372, 5465, 6104, 7630, 7651, 8720, 8744, 10930, 12208, 15260, 15302, 17488, 21860, 30520, 30604, 38255, 43720, 61040, 61208, 76510, 87440, 119137, 122416, 153020, 238274, 306040, 476548, 595685, 612080, 833959, 953096, 1191370, 1667918, 1906192, 2382740, 3335836, 4169795, 4765480, 6671672, 8339590, 9530960, 13343344, 16679180, 33358360, 66716720]

約数ペア:

[(1, 66716720), (2, 33358360), (4, 16679180), (5, 13343344), (7, 9530960), (8, 8339590), (10, 6671672), (14, 4765480), (16, 4169795), (20, 3335836), (28, 2382740), (35, 1906192), (40, 1667918), (56, 1191370), (70, 953096), (80, 833959), (109, 612080), (112, 595685), (140, 476548), (218, 306040), (280, 238274), (436, 153020), (545, 122416), (560, 119137), (763, 87440), (872, 76510), (1090, 61208), (1093, 61040), (1526, 43720), (1744, 38255), (2180, 30604), (2186, 30520), (3052, 21860), (3815, 17488), (4360, 15302), (4372, 15260), (5465, 12208), (6104, 10930), (7630, 8744), (7651, 8720)]