290856160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1665

約数の個数: 144

約数和(自身を含む): 834605856

約数和(自身を除く): 543749696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 980, 1120, 1127, 1288, 1568, 1610, 1613, 1840, 1960, 2254, 2576, 3220, 3226, 3680, 3920, 4508, 5152, 5635, 6440, 6452, 7840, 8065, 9016, 11270, 11291, 12880, 12904, 16130, 18032, 22540, 22582, 25760, 25808, 32260, 36064, 37099, 45080, 45164, 51616, 56455, 64520, 74198, 79037, 90160, 90328, 112910, 129040, 148396, 158074, 180320, 180656, 185495, 225820, 258080, 259693, 296792, 316148, 361312, 370990, 395185, 451640, 519386, 593584, 632296, 741980, 790370, 903280, 1038772, 1187168, 1264592, 1298465, 1483960, 1580740, 1806560, 1817851, 2077544, 2529184, 2596930, 2967920, 3161480, 3635702, 4155088, 5193860, 5935840, 6322960, 7271404, 8310176, 9089255, 10387720, 12645920, 14542808, 18178510, 20775440, 29085616, 36357020, 41550880, 58171232, 72714040, 145428080, 290856160]

約数ペア:

[(1, 290856160), (2, 145428080), (4, 72714040), (5, 58171232), (7, 41550880), (8, 36357020), (10, 29085616), (14, 20775440), (16, 18178510), (20, 14542808), (23, 12645920), (28, 10387720), (32, 9089255), (35, 8310176), (40, 7271404), (46, 6322960), (49, 5935840), (56, 5193860), (70, 4155088), (80, 3635702), (92, 3161480), (98, 2967920), (112, 2596930), (115, 2529184), (140, 2077544), (160, 1817851), (161, 1806560), (184, 1580740), (196, 1483960), (224, 1298465), (230, 1264592), (245, 1187168), (280, 1038772), (322, 903280), (368, 790370), (392, 741980), (460, 632296), (490, 593584), (560, 519386), (644, 451640), (736, 395185), (784, 370990), (805, 361312), (920, 316148), (980, 296792), (1120, 259693), (1127, 258080), (1288, 225820), (1568, 185495), (1610, 180656), (1613, 180320), (1840, 158074), (1960, 148396), (2254, 129040), (2576, 112910), (3220, 90328), (3226, 90160), (3680, 79037), (3920, 74198), (4508, 64520), (5152, 56455), (5635, 51616), (6440, 45164), (6452, 45080), (7840, 37099), (8065, 36064), (9016, 32260), (11270, 25808), (11291, 25760), (12880, 22582), (12904, 22540), (16130, 18032)]