78384640

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 80

約数和(自身を含む): 191161872

約数和(自身を除く): 112777232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 457, 512, 536, 640, 670, 914, 1072, 1280, 1340, 1828, 2144, 2285, 2560, 2680, 3656, 4288, 4570, 5360, 7312, 8576, 9140, 10720, 14624, 17152, 18280, 21440, 29248, 30619, 34304, 36560, 42880, 58496, 61238, 73120, 85760, 116992, 122476, 146240, 153095, 171520, 233984, 244952, 292480, 306190, 489904, 584960, 612380, 979808, 1169920, 1224760, 1959616, 2449520, 3919232, 4899040, 7838464, 9798080, 15676928, 19596160, 39192320, 78384640]

約数ペア:

[(1, 78384640), (2, 39192320), (4, 19596160), (5, 15676928), (8, 9798080), (10, 7838464), (16, 4899040), (20, 3919232), (32, 2449520), (40, 1959616), (64, 1224760), (67, 1169920), (80, 979808), (128, 612380), (134, 584960), (160, 489904), (256, 306190), (268, 292480), (320, 244952), (335, 233984), (457, 171520), (512, 153095), (536, 146240), (640, 122476), (670, 116992), (914, 85760), (1072, 73120), (1280, 61238), (1340, 58496), (1828, 42880), (2144, 36560), (2285, 34304), (2560, 30619), (2680, 29248), (3656, 21440), (4288, 18280), (4570, 17152), (5360, 14624), (7312, 10720), (8576, 9140)]