18485280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:424

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 52276320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 389, 396, 432, 440, 480, 495, 528, 540, 594, 660, 720, 778, 792, 864, 880, 990, 1056, 1080, 1167, 1188, 1320, 1440, 1485, 1556, 1584, 1760, 1945, 1980, 2160, 2334, 2376, 2640, 2970, 3112, 3168, 3501, 3890, 3960, 4279, 4320, 4668, 4752, 5280, 5835, 5940, 6224, 7002, 7780, 7920, 8558, 9336, 9504, 10503, 11670, 11880, 12448, 12837, 14004, 15560, 15840, 17116, 17505, 18672, 21006, 21395, 23340, 23760, 25674, 28008, 31120, 34232, 35010, 37344, 38511, 42012, 42790, 46680, 47520, 51348, 52515, 56016, 62240, 64185, 68464, 70020, 77022, 84024, 85580, 93360, 102696, 105030, 112032, 115533, 128370, 136928, 140040, 154044, 168048, 171160, 186720, 192555, 205392, 210060, 231066, 256740, 280080, 308088, 336096, 342320, 385110, 410784, 420120, 462132, 513480, 560160, 577665, 616176, 684640, 770220, 840240, 924264, 1026960, 1155330, 1232352, 1540440, 1680480, 1848528, 2053920, 2310660, 3080880, 3697056, 4621320, 6161760, 9242640, 18485280]

約数ペア:

[(1, 18485280), (2, 9242640), (3, 6161760), (4, 4621320), (5, 3697056), (6, 3080880), (8, 2310660), (9, 2053920), (10, 1848528), (11, 1680480), (12, 1540440), (15, 1232352), (16, 1155330), (18, 1026960), (20, 924264), (22, 840240), (24, 770220), (27, 684640), (30, 616176), (32, 577665), (33, 560160), (36, 513480), (40, 462132), (44, 420120), (45, 410784), (48, 385110), (54, 342320), (55, 336096), (60, 308088), (66, 280080), (72, 256740), (80, 231066), (88, 210060), (90, 205392), (96, 192555), (99, 186720), (108, 171160), (110, 168048), (120, 154044), (132, 140040), (135, 136928), (144, 128370), (160, 115533), (165, 112032), (176, 105030), (180, 102696), (198, 93360), (216, 85580), (220, 84024), (240, 77022), (264, 70020), (270, 68464), (288, 64185), (297, 62240), (330, 56016), (352, 52515), (360, 51348), (389, 47520), (396, 46680), (432, 42790), (440, 42012), (480, 38511), (495, 37344), (528, 35010), (540, 34232), (594, 31120), (660, 28008), (720, 25674), (778, 23760), (792, 23340), (864, 21395), (880, 21006), (990, 18672), (1056, 17505), (1080, 17116), (1167, 15840), (1188, 15560), (1320, 14004), (1440, 12837), (1485, 12448), (1556, 11880), (1584, 11670), (1760, 10503), (1945, 9504), (1980, 9336), (2160, 8558), (2334, 7920), (2376, 7780), (2640, 7002), (2970, 6224), (3112, 5940), (3168, 5835), (3501, 5280), (3890, 4752), (3960, 4668), (4279, 4320)]