67858280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 187246080

約数和(自身を除く): 119387800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 115, 140, 161, 164, 184, 205, 230, 257, 280, 287, 322, 328, 410, 460, 514, 574, 644, 805, 820, 920, 943, 1028, 1148, 1285, 1288, 1435, 1610, 1640, 1799, 1886, 2056, 2296, 2570, 2870, 3220, 3598, 3772, 4715, 5140, 5740, 5911, 6440, 6601, 7196, 7544, 8995, 9430, 10280, 10537, 11480, 11822, 13202, 14392, 17990, 18860, 21074, 23644, 26404, 29555, 33005, 35980, 37720, 41377, 42148, 47288, 52685, 52808, 59110, 66010, 71960, 73759, 82754, 84296, 105370, 118220, 132020, 147518, 165508, 206885, 210740, 236440, 242351, 264040, 295036, 331016, 368795, 413770, 421480, 484702, 590072, 737590, 827540, 969404, 1211755, 1475180, 1655080, 1696457, 1938808, 2423510, 2950360, 3392914, 4847020, 6785828, 8482285, 9694040, 13571656, 16964570, 33929140, 67858280]

約数ペア:

[(1, 67858280), (2, 33929140), (4, 16964570), (5, 13571656), (7, 9694040), (8, 8482285), (10, 6785828), (14, 4847020), (20, 3392914), (23, 2950360), (28, 2423510), (35, 1938808), (40, 1696457), (41, 1655080), (46, 1475180), (56, 1211755), (70, 969404), (82, 827540), (92, 737590), (115, 590072), (140, 484702), (161, 421480), (164, 413770), (184, 368795), (205, 331016), (230, 295036), (257, 264040), (280, 242351), (287, 236440), (322, 210740), (328, 206885), (410, 165508), (460, 147518), (514, 132020), (574, 118220), (644, 105370), (805, 84296), (820, 82754), (920, 73759), (943, 71960), (1028, 66010), (1148, 59110), (1285, 52808), (1288, 52685), (1435, 47288), (1610, 42148), (1640, 41377), (1799, 37720), (1886, 35980), (2056, 33005), (2296, 29555), (2570, 26404), (2870, 23644), (3220, 21074), (3598, 18860), (3772, 17990), (4715, 14392), (5140, 13202), (5740, 11822), (5911, 11480), (6440, 10537), (6601, 10280), (7196, 9430), (7544, 8995)]