61415620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2213

約数の個数: 72

約数和(自身を含む): 155274840

約数和(自身を除く): 93859220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2161, 2842, 4060, 4322, 5684, 7105, 8644, 10805, 14210, 15127, 21610, 28420, 30254, 43220, 60508, 62669, 75635, 105889, 125338, 151270, 211778, 250676, 302540, 313345, 423556, 438683, 529445, 626690, 877366, 1058890, 1253380, 1754732, 2117780, 2193415, 3070781, 4386830, 6141562, 8773660, 12283124, 15353905, 30707810, 61415620]

約数ペア:

[(1, 61415620), (2, 30707810), (4, 15353905), (5, 12283124), (7, 8773660), (10, 6141562), (14, 4386830), (20, 3070781), (28, 2193415), (29, 2117780), (35, 1754732), (49, 1253380), (58, 1058890), (70, 877366), (98, 626690), (116, 529445), (140, 438683), (145, 423556), (196, 313345), (203, 302540), (245, 250676), (290, 211778), (406, 151270), (490, 125338), (580, 105889), (812, 75635), (980, 62669), (1015, 60508), (1421, 43220), (2030, 30254), (2161, 28420), (2842, 21610), (4060, 15127), (4322, 14210), (5684, 10805), (7105, 8644)]