80783360

素因数分解:

$2^{11}\times 5^1\times 7^3\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 192

約数和(自身を含む): 235872000

約数和(自身を除く): 155088640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 256, 280, 320, 322, 343, 368, 392, 448, 460, 490, 512, 560, 640, 644, 686, 736, 784, 805, 896, 920, 980, 1024, 1120, 1127, 1280, 1288, 1372, 1472, 1568, 1610, 1715, 1792, 1840, 1960, 2048, 2240, 2254, 2560, 2576, 2744, 2944, 3136, 3220, 3430, 3584, 3680, 3920, 4480, 4508, 5120, 5152, 5488, 5635, 5888, 6272, 6440, 6860, 7168, 7360, 7840, 7889, 8960, 9016, 10240, 10304, 10976, 11270, 11776, 12544, 12880, 13720, 14336, 14720, 15680, 15778, 17920, 18032, 20608, 21952, 22540, 23552, 25088, 25760, 27440, 29440, 31360, 31556, 35840, 36064, 39445, 41216, 43904, 45080, 47104, 50176, 51520, 54880, 58880, 62720, 63112, 71680, 72128, 78890, 82432, 87808, 90160, 100352, 103040, 109760, 117760, 125440, 126224, 144256, 157780, 164864, 175616, 180320, 206080, 219520, 235520, 250880, 252448, 288512, 315560, 329728, 351232, 360640, 412160, 439040, 501760, 504896, 577024, 631120, 702464, 721280, 824320, 878080, 1009792, 1154048, 1262240, 1442560, 1648640, 1756160, 2019584, 2308096, 2524480, 2885120, 3512320, 4039168, 5048960, 5770240, 8078336, 10097920, 11540480, 16156672, 20195840, 40391680, 80783360]

約数ペア:

[(1, 80783360), (2, 40391680), (4, 20195840), (5, 16156672), (7, 11540480), (8, 10097920), (10, 8078336), (14, 5770240), (16, 5048960), (20, 4039168), (23, 3512320), (28, 2885120), (32, 2524480), (35, 2308096), (40, 2019584), (46, 1756160), (49, 1648640), (56, 1442560), (64, 1262240), (70, 1154048), (80, 1009792), (92, 878080), (98, 824320), (112, 721280), (115, 702464), (128, 631120), (140, 577024), (160, 504896), (161, 501760), (184, 439040), (196, 412160), (224, 360640), (230, 351232), (245, 329728), (256, 315560), (280, 288512), (320, 252448), (322, 250880), (343, 235520), (368, 219520), (392, 206080), (448, 180320), (460, 175616), (490, 164864), (512, 157780), (560, 144256), (640, 126224), (644, 125440), (686, 117760), (736, 109760), (784, 103040), (805, 100352), (896, 90160), (920, 87808), (980, 82432), (1024, 78890), (1120, 72128), (1127, 71680), (1280, 63112), (1288, 62720), (1372, 58880), (1472, 54880), (1568, 51520), (1610, 50176), (1715, 47104), (1792, 45080), (1840, 43904), (1960, 41216), (2048, 39445), (2240, 36064), (2254, 35840), (2560, 31556), (2576, 31360), (2744, 29440), (2944, 27440), (3136, 25760), (3220, 25088), (3430, 23552), (3584, 22540), (3680, 21952), (3920, 20608), (4480, 18032), (4508, 17920), (5120, 15778), (5152, 15680), (5488, 14720), (5635, 14336), (5888, 13720), (6272, 12880), (6440, 12544), (6860, 11776), (7168, 11270), (7360, 10976), (7840, 10304), (7889, 10240), (8960, 9016)]