65311120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16661}}^1$

素因数の和:16688

約数の個数: 60

約数和(自身を含む): 176650524

約数和(自身を除く): 111339404

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16661, 33322, 66644, 83305, 116627, 133288, 166610, 233254, 266576, 333220, 466508, 583135, 666440, 816389, 933016, 1166270, 1332880, 1632778, 1866032, 2332540, 3265556, 4081945, 4665080, 6531112, 8163890, 9330160, 13062224, 16327780, 32655560, 65311120]

約数ペア:

[(1, 65311120), (2, 32655560), (4, 16327780), (5, 13062224), (7, 9330160), (8, 8163890), (10, 6531112), (14, 4665080), (16, 4081945), (20, 3265556), (28, 2332540), (35, 1866032), (40, 1632778), (49, 1332880), (56, 1166270), (70, 933016), (80, 816389), (98, 666440), (112, 583135), (140, 466508), (196, 333220), (245, 266576), (280, 233254), (392, 166610), (490, 133288), (560, 116627), (784, 83305), (980, 66644), (1960, 33322), (3920, 16661)]