245840960

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5527}}^1$

素因数の和:5683

約数の個数: 56

約数和(自身を含む): 589727040

約数和(自身を除く): 343886080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 2224, 2780, 4448, 5527, 5560, 8896, 11054, 11120, 22108, 22240, 27635, 44216, 44480, 55270, 88432, 110540, 176864, 221080, 353728, 442160, 768253, 884320, 1536506, 1768640, 3073012, 3841265, 6146024, 7682530, 12292048, 15365060, 24584096, 30730120, 49168192, 61460240, 122920480, 245840960]

約数ペア:

[(1, 245840960), (2, 122920480), (4, 61460240), (5, 49168192), (8, 30730120), (10, 24584096), (16, 15365060), (20, 12292048), (32, 7682530), (40, 6146024), (64, 3841265), (80, 3073012), (139, 1768640), (160, 1536506), (278, 884320), (320, 768253), (556, 442160), (695, 353728), (1112, 221080), (1390, 176864), (2224, 110540), (2780, 88432), (4448, 55270), (5527, 44480), (5560, 44216), (8896, 27635), (11054, 22240), (11120, 22108)]