206945280

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 220

約数和(自身を含む): 743061000

約数和(自身を除く): 536115720

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 499, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 998, 1024, 1080, 1152, 1280, 1296, 1440, 1497, 1536, 1620, 1728, 1920, 1996, 2160, 2304, 2495, 2560, 2592, 2880, 2994, 3072, 3240, 3456, 3840, 3992, 4320, 4491, 4608, 4990, 5120, 5184, 5760, 5988, 6480, 6912, 7485, 7680, 7984, 8640, 8982, 9216, 9980, 10368, 11520, 11976, 12960, 13473, 13824, 14970, 15360, 15968, 17280, 17964, 19960, 20736, 22455, 23040, 23952, 25920, 26946, 27648, 29940, 31936, 34560, 35928, 39920, 40419, 41472, 44910, 46080, 47904, 51840, 53892, 59880, 63872, 67365, 69120, 71856, 79840, 80838, 82944, 89820, 95808, 103680, 107784, 119760, 127744, 134730, 138240, 143712, 159680, 161676, 179640, 191616, 202095, 207360, 215568, 239520, 255488, 269460, 287424, 319360, 323352, 359280, 383232, 404190, 414720, 431136, 479040, 510976, 538920, 574848, 638720, 646704, 718560, 766464, 808380, 862272, 958080, 1077840, 1149696, 1277440, 1293408, 1437120, 1532928, 1616760, 1724544, 1916160, 2155680, 2299392, 2554880, 2586816, 2874240, 3233520, 3449088, 3832320, 4311360, 4598784, 5173632, 5748480, 6467040, 6898176, 7664640, 8622720, 10347264, 11496960, 12934080, 13796352, 17245440, 20694528, 22993920, 25868160, 34490880, 41389056, 51736320, 68981760, 103472640, 206945280]

約数ペア:

[(1, 206945280), (2, 103472640), (3, 68981760), (4, 51736320), (5, 41389056), (6, 34490880), (8, 25868160), (9, 22993920), (10, 20694528), (12, 17245440), (15, 13796352), (16, 12934080), (18, 11496960), (20, 10347264), (24, 8622720), (27, 7664640), (30, 6898176), (32, 6467040), (36, 5748480), (40, 5173632), (45, 4598784), (48, 4311360), (54, 3832320), (60, 3449088), (64, 3233520), (72, 2874240), (80, 2586816), (81, 2554880), (90, 2299392), (96, 2155680), (108, 1916160), (120, 1724544), (128, 1616760), (135, 1532928), (144, 1437120), (160, 1293408), (162, 1277440), (180, 1149696), (192, 1077840), (216, 958080), (240, 862272), (256, 808380), (270, 766464), (288, 718560), (320, 646704), (324, 638720), (360, 574848), (384, 538920), (405, 510976), (432, 479040), (480, 431136), (499, 414720), (512, 404190), (540, 383232), (576, 359280), (640, 323352), (648, 319360), (720, 287424), (768, 269460), (810, 255488), (864, 239520), (960, 215568), (998, 207360), (1024, 202095), (1080, 191616), (1152, 179640), (1280, 161676), (1296, 159680), (1440, 143712), (1497, 138240), (1536, 134730), (1620, 127744), (1728, 119760), (1920, 107784), (1996, 103680), (2160, 95808), (2304, 89820), (2495, 82944), (2560, 80838), (2592, 79840), (2880, 71856), (2994, 69120), (3072, 67365), (3240, 63872), (3456, 59880), (3840, 53892), (3992, 51840), (4320, 47904), (4491, 46080), (4608, 44910), (4990, 41472), (5120, 40419), (5184, 39920), (5760, 35928), (5988, 34560), (6480, 31936), (6912, 29940), (7485, 27648), (7680, 26946), (7984, 25920), (8640, 23952), (8982, 23040), (9216, 22455), (9980, 20736), (10368, 19960), (11520, 17964), (11976, 17280), (12960, 15968), (13473, 15360), (13824, 14970)]