81037440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1315

約数の個数: 192

約数和(自身を含む): 305510400

約数和(自身を除く): 224472960

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, 1279, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2558, 2640, 2880, 3168, 3520, 3837, 3960, 4224, 5116, 5280, 5760, 6336, 6395, 7040, 7674, 7920, 10232, 10560, 11511, 12672, 12790, 14069, 15348, 15840, 19185, 20464, 21120, 23022, 25580, 28138, 30696, 31680, 38370, 40928, 42207, 46044, 51160, 56276, 57555, 61392, 63360, 70345, 76740, 81856, 84414, 92088, 102320, 112552, 115110, 122784, 126621, 140690, 153480, 163712, 168828, 184176, 204640, 211035, 225104, 230220, 245568, 253242, 281380, 306960, 337656, 368352, 409280, 422070, 450208, 460440, 491136, 506484, 562760, 613920, 633105, 675312, 736704, 818560, 844140, 900416, 920880, 1012968, 1125520, 1227840, 1266210, 1350624, 1473408, 1688280, 1800832, 1841760, 2025936, 2251040, 2455680, 2532420, 2701248, 3376560, 3683520, 4051872, 4502080, 5064840, 5402496, 6753120, 7367040, 8103744, 9004160, 10129680, 13506240, 16207488, 20259360, 27012480, 40518720, 81037440]

約数ペア:

[(1, 81037440), (2, 40518720), (3, 27012480), (4, 20259360), (5, 16207488), (6, 13506240), (8, 10129680), (9, 9004160), (10, 8103744), (11, 7367040), (12, 6753120), (15, 5402496), (16, 5064840), (18, 4502080), (20, 4051872), (22, 3683520), (24, 3376560), (30, 2701248), (32, 2532420), (33, 2455680), (36, 2251040), (40, 2025936), (44, 1841760), (45, 1800832), (48, 1688280), (55, 1473408), (60, 1350624), (64, 1266210), (66, 1227840), (72, 1125520), (80, 1012968), (88, 920880), (90, 900416), (96, 844140), (99, 818560), (110, 736704), (120, 675312), (128, 633105), (132, 613920), (144, 562760), (160, 506484), (165, 491136), (176, 460440), (180, 450208), (192, 422070), (198, 409280), (220, 368352), (240, 337656), (264, 306960), (288, 281380), (320, 253242), (330, 245568), (352, 230220), (360, 225104), (384, 211035), (396, 204640), (440, 184176), (480, 168828), (495, 163712), (528, 153480), (576, 140690), (640, 126621), (660, 122784), (704, 115110), (720, 112552), (792, 102320), (880, 92088), (960, 84414), (990, 81856), (1056, 76740), (1152, 70345), (1279, 63360), (1320, 61392), (1408, 57555), (1440, 56276), (1584, 51160), (1760, 46044), (1920, 42207), (1980, 40928), (2112, 38370), (2558, 31680), (2640, 30696), (2880, 28138), (3168, 25580), (3520, 23022), (3837, 21120), (3960, 20464), (4224, 19185), (5116, 15840), (5280, 15348), (5760, 14069), (6336, 12790), (6395, 12672), (7040, 11511), (7674, 10560), (7920, 10232)]