40391680

素因数分解:

$2^{10}\times 5^1\times 7^3\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 176

約数和(自身を含む): 117907200

約数和(自身を除く): 77515520

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, 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, 10304, 10976, 11270, 11776, 12544, 12880, 13720, 14720, 15680, 15778, 17920, 18032, 20608, 21952, 22540, 23552, 25088, 25760, 27440, 29440, 31360, 31556, 35840, 36064, 39445, 41216, 43904, 45080, 50176, 51520, 54880, 58880, 62720, 63112, 72128, 78890, 82432, 87808, 90160, 103040, 109760, 117760, 125440, 126224, 144256, 157780, 164864, 175616, 180320, 206080, 219520, 250880, 252448, 288512, 315560, 351232, 360640, 412160, 439040, 504896, 577024, 631120, 721280, 824320, 878080, 1009792, 1154048, 1262240, 1442560, 1756160, 2019584, 2524480, 2885120, 4039168, 5048960, 5770240, 8078336, 10097920, 20195840, 40391680]

約数ペア:

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