64287160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{523}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 166003200

約数和(自身を除く): 101716040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 523, 878, 1046, 1756, 2092, 2195, 2615, 3073, 3512, 3661, 4184, 4390, 5230, 6146, 7322, 8780, 10460, 12292, 14644, 15365, 17560, 18305, 20920, 24584, 29288, 30730, 36610, 61460, 73220, 122920, 146440, 229597, 459194, 918388, 1147985, 1607179, 1836776, 2295970, 3214358, 4591940, 6428716, 8035895, 9183880, 12857432, 16071790, 32143580, 64287160]

約数ペア:

[(1, 64287160), (2, 32143580), (4, 16071790), (5, 12857432), (7, 9183880), (8, 8035895), (10, 6428716), (14, 4591940), (20, 3214358), (28, 2295970), (35, 1836776), (40, 1607179), (56, 1147985), (70, 918388), (140, 459194), (280, 229597), (439, 146440), (523, 122920), (878, 73220), (1046, 61460), (1756, 36610), (2092, 30730), (2195, 29288), (2615, 24584), (3073, 20920), (3512, 18305), (3661, 17560), (4184, 15365), (4390, 14644), (5230, 12292), (6146, 10460), (7322, 8780)]