81290880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1283}}^1$

素因数の和:1319

約数の個数: 192

約数和(自身を含む): 306465120

約数和(自身を除く): 225174240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 792, 880, 960, 990, 1056, 1152, 1283, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2566, 2640, 2880, 3168, 3520, 3849, 3960, 4224, 5132, 5280, 5760, 6336, 6415, 7040, 7698, 7920, 10264, 10560, 11547, 12672, 12830, 14113, 15396, 15840, 19245, 20528, 21120, 23094, 25660, 28226, 30792, 31680, 38490, 41056, 42339, 46188, 51320, 56452, 57735, 61584, 63360, 70565, 76980, 82112, 84678, 92376, 102640, 112904, 115470, 123168, 127017, 141130, 153960, 164224, 169356, 184752, 205280, 211695, 225808, 230940, 246336, 254034, 282260, 307920, 338712, 369504, 410560, 423390, 451616, 461880, 492672, 508068, 564520, 615840, 635085, 677424, 739008, 821120, 846780, 903232, 923760, 1016136, 1129040, 1231680, 1270170, 1354848, 1478016, 1693560, 1806464, 1847520, 2032272, 2258080, 2463360, 2540340, 2709696, 3387120, 3695040, 4064544, 4516160, 5080680, 5419392, 6774240, 7390080, 8129088, 9032320, 10161360, 13548480, 16258176, 20322720, 27096960, 40645440, 81290880]

約数ペア:

[(1, 81290880), (2, 40645440), (3, 27096960), (4, 20322720), (5, 16258176), (6, 13548480), (8, 10161360), (9, 9032320), (10, 8129088), (11, 7390080), (12, 6774240), (15, 5419392), (16, 5080680), (18, 4516160), (20, 4064544), (22, 3695040), (24, 3387120), (30, 2709696), (32, 2540340), (33, 2463360), (36, 2258080), (40, 2032272), (44, 1847520), (45, 1806464), (48, 1693560), (55, 1478016), (60, 1354848), (64, 1270170), (66, 1231680), (72, 1129040), (80, 1016136), (88, 923760), (90, 903232), (96, 846780), (99, 821120), (110, 739008), (120, 677424), (128, 635085), (132, 615840), (144, 564520), (160, 508068), (165, 492672), (176, 461880), (180, 451616), (192, 423390), (198, 410560), (220, 369504), (240, 338712), (264, 307920), (288, 282260), (320, 254034), (330, 246336), (352, 230940), (360, 225808), (384, 211695), (396, 205280), (440, 184752), (480, 169356), (495, 164224), (528, 153960), (576, 141130), (640, 127017), (660, 123168), (704, 115470), (720, 112904), (792, 102640), (880, 92376), (960, 84678), (990, 82112), (1056, 76980), (1152, 70565), (1283, 63360), (1320, 61584), (1408, 57735), (1440, 56452), (1584, 51320), (1760, 46188), (1920, 42339), (1980, 41056), (2112, 38490), (2566, 31680), (2640, 30792), (2880, 28226), (3168, 25660), (3520, 23094), (3849, 21120), (3960, 20528), (4224, 19245), (5132, 15840), (5280, 15396), (5760, 14113), (6336, 12830), (6415, 12672), (7040, 11547), (7698, 10560), (7920, 10264)]