81702720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2579}}^1$

素因数の和:2613

約数の個数: 168

約数和(自身を含む): 306689760

約数和(自身を除く): 224987040

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, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2579, 2640, 2880, 3168, 3520, 3960, 5158, 5280, 6336, 7737, 7920, 10316, 10560, 12895, 15474, 15840, 20632, 23211, 25790, 28369, 30948, 31680, 38685, 41264, 46422, 51580, 56738, 61896, 77370, 82528, 85107, 92844, 103160, 113476, 116055, 123792, 141845, 154740, 165056, 170214, 185688, 206320, 226952, 232110, 247584, 255321, 283690, 309480, 340428, 371376, 412640, 425535, 453904, 464220, 495168, 510642, 567380, 618960, 680856, 742752, 825280, 851070, 907808, 928440, 1021284, 1134760, 1237920, 1276605, 1361712, 1485504, 1702140, 1815616, 1856880, 2042568, 2269520, 2475840, 2553210, 2723424, 3404280, 3713760, 4085136, 4539040, 5106420, 5446848, 6808560, 7427520, 8170272, 9078080, 10212840, 13617120, 16340544, 20425680, 27234240, 40851360, 81702720]

約数ペア:

[(1, 81702720), (2, 40851360), (3, 27234240), (4, 20425680), (5, 16340544), (6, 13617120), (8, 10212840), (9, 9078080), (10, 8170272), (11, 7427520), (12, 6808560), (15, 5446848), (16, 5106420), (18, 4539040), (20, 4085136), (22, 3713760), (24, 3404280), (30, 2723424), (32, 2553210), (33, 2475840), (36, 2269520), (40, 2042568), (44, 1856880), (45, 1815616), (48, 1702140), (55, 1485504), (60, 1361712), (64, 1276605), (66, 1237920), (72, 1134760), (80, 1021284), (88, 928440), (90, 907808), (96, 851070), (99, 825280), (110, 742752), (120, 680856), (132, 618960), (144, 567380), (160, 510642), (165, 495168), (176, 464220), (180, 453904), (192, 425535), (198, 412640), (220, 371376), (240, 340428), (264, 309480), (288, 283690), (320, 255321), (330, 247584), (352, 232110), (360, 226952), (396, 206320), (440, 185688), (480, 170214), (495, 165056), (528, 154740), (576, 141845), (660, 123792), (704, 116055), (720, 113476), (792, 103160), (880, 92844), (960, 85107), (990, 82528), (1056, 77370), (1320, 61896), (1440, 56738), (1584, 51580), (1760, 46422), (1980, 41264), (2112, 38685), (2579, 31680), (2640, 30948), (2880, 28369), (3168, 25790), (3520, 23211), (3960, 20632), (5158, 15840), (5280, 15474), (6336, 12895), (7737, 10560), (7920, 10316)]