217076720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{883}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 578772480

約数和(自身を除く): 361695760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 878, 883, 1756, 1766, 2195, 3073, 3512, 3532, 4390, 4415, 6146, 6181, 7024, 7064, 8780, 8830, 12292, 12362, 14128, 15365, 17560, 17660, 24584, 24724, 30730, 30905, 35120, 35320, 49168, 49448, 61460, 61810, 70640, 98896, 122920, 123620, 245840, 247240, 387637, 494480, 775274, 1550548, 1938185, 2713459, 3101096, 3876370, 5426918, 6202192, 7752740, 10853836, 13567295, 15505480, 21707672, 27134590, 31010960, 43415344, 54269180, 108538360, 217076720]

約数ペア:

[(1, 217076720), (2, 108538360), (4, 54269180), (5, 43415344), (7, 31010960), (8, 27134590), (10, 21707672), (14, 15505480), (16, 13567295), (20, 10853836), (28, 7752740), (35, 6202192), (40, 5426918), (56, 3876370), (70, 3101096), (80, 2713459), (112, 1938185), (140, 1550548), (280, 775274), (439, 494480), (560, 387637), (878, 247240), (883, 245840), (1756, 123620), (1766, 122920), (2195, 98896), (3073, 70640), (3512, 61810), (3532, 61460), (4390, 49448), (4415, 49168), (6146, 35320), (6181, 35120), (7024, 30905), (7064, 30730), (8780, 24724), (8830, 24584), (12292, 17660), (12362, 17560), (14128, 15365)]