68981760

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{499}}^1$

素因数の和:533

約数の個数: 176

約数和(自身を含む): 245640000

約数和(自身を除く): 176658240

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, 499, 512, 540, 576, 640, 720, 768, 864, 960, 998, 1024, 1080, 1152, 1280, 1440, 1497, 1536, 1728, 1920, 1996, 2160, 2304, 2495, 2560, 2880, 2994, 3072, 3456, 3840, 3992, 4320, 4491, 4608, 4990, 5120, 5760, 5988, 6912, 7485, 7680, 7984, 8640, 8982, 9216, 9980, 11520, 11976, 13473, 13824, 14970, 15360, 15968, 17280, 17964, 19960, 22455, 23040, 23952, 26946, 27648, 29940, 31936, 34560, 35928, 39920, 44910, 46080, 47904, 53892, 59880, 63872, 67365, 69120, 71856, 79840, 89820, 95808, 107784, 119760, 127744, 134730, 138240, 143712, 159680, 179640, 191616, 215568, 239520, 255488, 269460, 287424, 319360, 359280, 383232, 431136, 479040, 510976, 538920, 574848, 638720, 718560, 766464, 862272, 958080, 1077840, 1149696, 1277440, 1437120, 1532928, 1724544, 1916160, 2155680, 2299392, 2554880, 2874240, 3449088, 3832320, 4311360, 4598784, 5748480, 6898176, 7664640, 8622720, 11496960, 13796352, 17245440, 22993920, 34490880, 68981760]

約数ペア:

[(1, 68981760), (2, 34490880), (3, 22993920), (4, 17245440), (5, 13796352), (6, 11496960), (8, 8622720), (9, 7664640), (10, 6898176), (12, 5748480), (15, 4598784), (16, 4311360), (18, 3832320), (20, 3449088), (24, 2874240), (27, 2554880), (30, 2299392), (32, 2155680), (36, 1916160), (40, 1724544), (45, 1532928), (48, 1437120), (54, 1277440), (60, 1149696), (64, 1077840), (72, 958080), (80, 862272), (90, 766464), (96, 718560), (108, 638720), (120, 574848), (128, 538920), (135, 510976), (144, 479040), (160, 431136), (180, 383232), (192, 359280), (216, 319360), (240, 287424), (256, 269460), (270, 255488), (288, 239520), (320, 215568), (360, 191616), (384, 179640), (432, 159680), (480, 143712), (499, 138240), (512, 134730), (540, 127744), (576, 119760), (640, 107784), (720, 95808), (768, 89820), (864, 79840), (960, 71856), (998, 69120), (1024, 67365), (1080, 63872), (1152, 59880), (1280, 53892), (1440, 47904), (1497, 46080), (1536, 44910), (1728, 39920), (1920, 35928), (1996, 34560), (2160, 31936), (2304, 29940), (2495, 27648), (2560, 26946), (2880, 23952), (2994, 23040), (3072, 22455), (3456, 19960), (3840, 17964), (3992, 17280), (4320, 15968), (4491, 15360), (4608, 14970), (4990, 13824), (5120, 13473), (5760, 11976), (5988, 11520), (6912, 9980), (7485, 9216), (7680, 8982), (7984, 8640)]