66923080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{523}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 172794240

約数和(自身を除く): 105871160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 523, 914, 1046, 1828, 2092, 2285, 2615, 3199, 3656, 3661, 4184, 4570, 5230, 6398, 7322, 9140, 10460, 12796, 14644, 15995, 18280, 18305, 20920, 25592, 29288, 31990, 36610, 63980, 73220, 127960, 146440, 239011, 478022, 956044, 1195055, 1673077, 1912088, 2390110, 3346154, 4780220, 6692308, 8365385, 9560440, 13384616, 16730770, 33461540, 66923080]

約数ペア:

[(1, 66923080), (2, 33461540), (4, 16730770), (5, 13384616), (7, 9560440), (8, 8365385), (10, 6692308), (14, 4780220), (20, 3346154), (28, 2390110), (35, 1912088), (40, 1673077), (56, 1195055), (70, 956044), (140, 478022), (280, 239011), (457, 146440), (523, 127960), (914, 73220), (1046, 63980), (1828, 36610), (2092, 31990), (2285, 29288), (2615, 25592), (3199, 20920), (3656, 18305), (3661, 18280), (4184, 15995), (4570, 14644), (5230, 12796), (6398, 10460), (7322, 9140)]