21148542720

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{67993}}^1$

素因数の和:68029

約数の個数: 216

約数和(自身を含む): 75882935856

約数和(自身を除く): 54734393136

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, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2592, 2880, 3240, 3456, 3840, 3888, 4320, 4860, 5184, 5760, 6480, 6912, 7776, 8640, 9720, 10368, 11520, 12960, 15552, 17280, 19440, 20736, 25920, 31104, 34560, 38880, 51840, 62208, 67993, 77760, 103680, 135986, 155520, 203979, 271972, 311040, 339965, 407958, 543944, 611937, 679930, 815916, 1019895, 1087888, 1223874, 1359860, 1631832, 1835811, 2039790, 2175776, 2447748, 2719720, 3059685, 3263664, 3671622, 4079580, 4351552, 4895496, 5439440, 5507433, 6119370, 6527328, 7343244, 8159160, 8703104, 9179055, 9790992, 10878880, 11014866, 12238740, 13054656, 14686488, 16318320, 16522299, 17406208, 18358110, 19581984, 21757760, 22029732, 24477480, 26109312, 27537165, 29372976, 32636640, 33044598, 36716220, 39163968, 43515520, 44059464, 48954960, 52218624, 55074330, 58745952, 65273280, 66089196, 73432440, 78327936, 82611495, 87031040, 88118928, 97909920, 110148660, 117491904, 130546560, 132178392, 146864880, 156655872, 165222990, 176237856, 195819840, 220297320, 234983808, 261093120, 264356784, 293729760, 330445980, 352475712, 391639680, 440594640, 469967616, 528713568, 587459520, 660891960, 704951424, 783279360, 881189280, 1057427136, 1174919040, 1321783920, 1409902848, 1762378560, 2114854272, 2349838080, 2643567840, 3524757120, 4229708544, 5287135680, 7049514240, 10574271360, 21148542720]

約数ペア:

[(1, 21148542720), (2, 10574271360), (3, 7049514240), (4, 5287135680), (5, 4229708544), (6, 3524757120), (8, 2643567840), (9, 2349838080), (10, 2114854272), (12, 1762378560), (15, 1409902848), (16, 1321783920), (18, 1174919040), (20, 1057427136), (24, 881189280), (27, 783279360), (30, 704951424), (32, 660891960), (36, 587459520), (40, 528713568), (45, 469967616), (48, 440594640), (54, 391639680), (60, 352475712), (64, 330445980), (72, 293729760), (80, 264356784), (81, 261093120), (90, 234983808), (96, 220297320), (108, 195819840), (120, 176237856), (128, 165222990), (135, 156655872), (144, 146864880), (160, 132178392), (162, 130546560), (180, 117491904), (192, 110148660), (216, 97909920), (240, 88118928), (243, 87031040), (256, 82611495), (270, 78327936), (288, 73432440), (320, 66089196), (324, 65273280), (360, 58745952), (384, 55074330), (405, 52218624), (432, 48954960), (480, 44059464), (486, 43515520), (540, 39163968), (576, 36716220), (640, 33044598), (648, 32636640), (720, 29372976), (768, 27537165), (810, 26109312), (864, 24477480), (960, 22029732), (972, 21757760), (1080, 19581984), (1152, 18358110), (1215, 17406208), (1280, 16522299), (1296, 16318320), (1440, 14686488), (1620, 13054656), (1728, 12238740), (1920, 11014866), (1944, 10878880), (2160, 9790992), (2304, 9179055), (2430, 8703104), (2592, 8159160), (2880, 7343244), (3240, 6527328), (3456, 6119370), (3840, 5507433), (3888, 5439440), (4320, 4895496), (4860, 4351552), (5184, 4079580), (5760, 3671622), (6480, 3263664), (6912, 3059685), (7776, 2719720), (8640, 2447748), (9720, 2175776), (10368, 2039790), (11520, 1835811), (12960, 1631832), (15552, 1359860), (17280, 1223874), (19440, 1087888), (20736, 1019895), (25920, 815916), (31104, 679930), (34560, 611937), (38880, 543944), (51840, 407958), (62208, 339965), (67993, 311040), (77760, 271972), (103680, 203979), (135986, 155520)]