21279127680

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{410477}}^1$

素因数の和:410508

約数の個数: 160

約数和(自身を含む): 75991792140

約数和(自身を除く): 54712664460

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, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 8640, 10368, 12960, 17280, 25920, 51840, 410477, 820954, 1231431, 1641908, 2052385, 2462862, 3283816, 3694293, 4104770, 4925724, 6157155, 6567632, 7388586, 8209540, 9851448, 11082879, 12314310, 13135264, 14777172, 16419080, 18471465, 19702896, 22165758, 24628620, 26270528, 29554344, 32838160, 33248637, 36942930, 39405792, 44331516, 49257240, 52541056, 55414395, 59108688, 65676320, 66497274, 73885860, 78811584, 88663032, 98514480, 110828790, 118217376, 131352640, 132994548, 147771720, 157623168, 166243185, 177326064, 197028960, 221657580, 236434752, 262705280, 265989096, 295543440, 332486370, 354652128, 394057920, 443315160, 472869504, 531978192, 591086880, 664972740, 709304256, 788115840, 886630320, 1063956384, 1182173760, 1329945480, 1418608512, 1773260640, 2127912768, 2364347520, 2659890960, 3546521280, 4255825536, 5319781920, 7093042560, 10639563840, 21279127680]

約数ペア:

[(1, 21279127680), (2, 10639563840), (3, 7093042560), (4, 5319781920), (5, 4255825536), (6, 3546521280), (8, 2659890960), (9, 2364347520), (10, 2127912768), (12, 1773260640), (15, 1418608512), (16, 1329945480), (18, 1182173760), (20, 1063956384), (24, 886630320), (27, 788115840), (30, 709304256), (32, 664972740), (36, 591086880), (40, 531978192), (45, 472869504), (48, 443315160), (54, 394057920), (60, 354652128), (64, 332486370), (72, 295543440), (80, 265989096), (81, 262705280), (90, 236434752), (96, 221657580), (108, 197028960), (120, 177326064), (128, 166243185), (135, 157623168), (144, 147771720), (160, 132994548), (162, 131352640), (180, 118217376), (192, 110828790), (216, 98514480), (240, 88663032), (270, 78811584), (288, 73885860), (320, 66497274), (324, 65676320), (360, 59108688), (384, 55414395), (405, 52541056), (432, 49257240), (480, 44331516), (540, 39405792), (576, 36942930), (640, 33248637), (648, 32838160), (720, 29554344), (810, 26270528), (864, 24628620), (960, 22165758), (1080, 19702896), (1152, 18471465), (1296, 16419080), (1440, 14777172), (1620, 13135264), (1728, 12314310), (1920, 11082879), (2160, 9851448), (2592, 8209540), (2880, 7388586), (3240, 6567632), (3456, 6157155), (4320, 4925724), (5184, 4104770), (5760, 3694293), (6480, 3283816), (8640, 2462862), (10368, 2052385), (12960, 1641908), (17280, 1231431), (25920, 820954), (51840, 410477)]