1655080

素因数分解:

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

素因数の和:298

約数の個数: 64

約数和(自身を含む): 4458240

約数和(自身を除く): 2803160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 257, 280, 322, 460, 514, 644, 805, 920, 1028, 1285, 1288, 1610, 1799, 2056, 2570, 3220, 3598, 5140, 5911, 6440, 7196, 8995, 10280, 11822, 14392, 17990, 23644, 29555, 35980, 41377, 47288, 59110, 71960, 82754, 118220, 165508, 206885, 236440, 331016, 413770, 827540, 1655080]

約数ペア:

[(1, 1655080), (2, 827540), (4, 413770), (5, 331016), (7, 236440), (8, 206885), (10, 165508), (14, 118220), (20, 82754), (23, 71960), (28, 59110), (35, 47288), (40, 41377), (46, 35980), (56, 29555), (70, 23644), (92, 17990), (115, 14392), (140, 11822), (161, 10280), (184, 8995), (230, 7196), (257, 6440), (280, 5911), (322, 5140), (460, 3598), (514, 3220), (644, 2570), (805, 2056), (920, 1799), (1028, 1610), (1285, 1288)]