68878080

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{1993}}^1$

素因数の和:2023

約数の個数: 144

約数和(自身を含む): 244544160

約数和(自身を除く): 175666080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 1993, 2160, 2304, 2880, 3456, 3840, 3986, 4320, 5760, 5979, 6912, 7972, 8640, 9965, 11520, 11958, 15944, 17280, 17937, 19930, 23916, 29895, 31888, 34560, 35874, 39860, 47832, 53811, 59790, 63776, 71748, 79720, 89685, 95664, 107622, 119580, 127552, 143496, 159440, 179370, 191328, 215244, 239160, 255104, 269055, 286992, 318880, 358740, 382656, 430488, 478320, 510208, 538110, 573984, 637760, 717480, 765312, 860976, 956640, 1076220, 1147968, 1275520, 1434960, 1530624, 1721952, 1913280, 2152440, 2295936, 2551040, 2869920, 3443904, 3826560, 4304880, 4591872, 5739840, 6887808, 7653120, 8609760, 11479680, 13775616, 17219520, 22959360, 34439040, 68878080]

約数ペア:

[(1, 68878080), (2, 34439040), (3, 22959360), (4, 17219520), (5, 13775616), (6, 11479680), (8, 8609760), (9, 7653120), (10, 6887808), (12, 5739840), (15, 4591872), (16, 4304880), (18, 3826560), (20, 3443904), (24, 2869920), (27, 2551040), (30, 2295936), (32, 2152440), (36, 1913280), (40, 1721952), (45, 1530624), (48, 1434960), (54, 1275520), (60, 1147968), (64, 1076220), (72, 956640), (80, 860976), (90, 765312), (96, 717480), (108, 637760), (120, 573984), (128, 538110), (135, 510208), (144, 478320), (160, 430488), (180, 382656), (192, 358740), (216, 318880), (240, 286992), (256, 269055), (270, 255104), (288, 239160), (320, 215244), (360, 191328), (384, 179370), (432, 159440), (480, 143496), (540, 127552), (576, 119580), (640, 107622), (720, 95664), (768, 89685), (864, 79720), (960, 71748), (1080, 63776), (1152, 59790), (1280, 53811), (1440, 47832), (1728, 39860), (1920, 35874), (1993, 34560), (2160, 31888), (2304, 29895), (2880, 23916), (3456, 19930), (3840, 17937), (3986, 17280), (4320, 15944), (5760, 11958), (5979, 11520), (6912, 9965), (7972, 8640)]