1660082560

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18661}}^1$

素因数の和:18819

約数の個数: 64

約数和(自身を含む): 3997400400

約数和(自身を除く): 2337317840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 17792, 18661, 22240, 37322, 44480, 74644, 88960, 93305, 149288, 186610, 298576, 373220, 597152, 746440, 1194304, 1492880, 2388608, 2593879, 2985760, 5187758, 5971520, 10375516, 11943040, 12969395, 20751032, 25938790, 41502064, 51877580, 83004128, 103755160, 166008256, 207510320, 332016512, 415020640, 830041280, 1660082560]

約数ペア:

[(1, 1660082560), (2, 830041280), (4, 415020640), (5, 332016512), (8, 207510320), (10, 166008256), (16, 103755160), (20, 83004128), (32, 51877580), (40, 41502064), (64, 25938790), (80, 20751032), (128, 12969395), (139, 11943040), (160, 10375516), (278, 5971520), (320, 5187758), (556, 2985760), (640, 2593879), (695, 2388608), (1112, 1492880), (1390, 1194304), (2224, 746440), (2780, 597152), (4448, 373220), (5560, 298576), (8896, 186610), (11120, 149288), (17792, 93305), (18661, 88960), (22240, 74644), (37322, 44480)]