261215280

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{1493}}^1$

素因数の和:1527

約数の個数: 160

約数和(自身を含む): 911459520

約数和(自身を除く): 650244240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1493, 1620, 1944, 2160, 2187, 2430, 2916, 2986, 3240, 3645, 3888, 4374, 4479, 4860, 5832, 5972, 6480, 7290, 7465, 8748, 8958, 9720, 10935, 11664, 11944, 13437, 14580, 14930, 17496, 17916, 19440, 21870, 22395, 23888, 26874, 29160, 29860, 34992, 35832, 40311, 43740, 44790, 53748, 58320, 59720, 67185, 71664, 80622, 87480, 89580, 107496, 119440, 120933, 134370, 161244, 174960, 179160, 201555, 214992, 241866, 268740, 322488, 358320, 362799, 403110, 483732, 537480, 604665, 644976, 725598, 806220, 967464, 1074960, 1088397, 1209330, 1451196, 1612440, 1813995, 1934928, 2176794, 2418660, 2902392, 3224880, 3265191, 3627990, 4353588, 4837320, 5441985, 5804784, 6530382, 7255980, 8707176, 9674640, 10883970, 13060764, 14511960, 16325955, 17414352, 21767940, 26121528, 29023920, 32651910, 43535880, 52243056, 65303820, 87071760, 130607640, 261215280]

約数ペア:

[(1, 261215280), (2, 130607640), (3, 87071760), (4, 65303820), (5, 52243056), (6, 43535880), (8, 32651910), (9, 29023920), (10, 26121528), (12, 21767940), (15, 17414352), (16, 16325955), (18, 14511960), (20, 13060764), (24, 10883970), (27, 9674640), (30, 8707176), (36, 7255980), (40, 6530382), (45, 5804784), (48, 5441985), (54, 4837320), (60, 4353588), (72, 3627990), (80, 3265191), (81, 3224880), (90, 2902392), (108, 2418660), (120, 2176794), (135, 1934928), (144, 1813995), (162, 1612440), (180, 1451196), (216, 1209330), (240, 1088397), (243, 1074960), (270, 967464), (324, 806220), (360, 725598), (405, 644976), (432, 604665), (486, 537480), (540, 483732), (648, 403110), (720, 362799), (729, 358320), (810, 322488), (972, 268740), (1080, 241866), (1215, 214992), (1296, 201555), (1458, 179160), (1493, 174960), (1620, 161244), (1944, 134370), (2160, 120933), (2187, 119440), (2430, 107496), (2916, 89580), (2986, 87480), (3240, 80622), (3645, 71664), (3888, 67185), (4374, 59720), (4479, 58320), (4860, 53748), (5832, 44790), (5972, 43740), (6480, 40311), (7290, 35832), (7465, 34992), (8748, 29860), (8958, 29160), (9720, 26874), (10935, 23888), (11664, 22395), (11944, 21870), (13437, 19440), (14580, 17916), (14930, 17496)]