217090720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:363

約数の個数: 192

約数和(自身を含む): 651442176

約数和(自身を除く): 434351456

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 67, 70, 77, 80, 88, 110, 112, 134, 140, 154, 160, 176, 220, 224, 263, 268, 280, 308, 335, 352, 385, 440, 469, 526, 536, 560, 616, 670, 737, 770, 880, 938, 1052, 1072, 1120, 1232, 1315, 1340, 1474, 1540, 1760, 1841, 1876, 2104, 2144, 2345, 2464, 2630, 2680, 2893, 2948, 3080, 3682, 3685, 3752, 4208, 4690, 5159, 5260, 5360, 5786, 5896, 6160, 7364, 7370, 7504, 8416, 9205, 9380, 10318, 10520, 10720, 11572, 11792, 12320, 14465, 14728, 14740, 15008, 17621, 18410, 18760, 20251, 20636, 21040, 23144, 23584, 25795, 28930, 29456, 29480, 35242, 36820, 37520, 40502, 41272, 42080, 46288, 51590, 57860, 58912, 58960, 70484, 73640, 75040, 81004, 82544, 88105, 92576, 101255, 103180, 115720, 117920, 123347, 140968, 147280, 162008, 165088, 176210, 193831, 202510, 206360, 231440, 246694, 281936, 294560, 324016, 352420, 387662, 405020, 412720, 462880, 493388, 563872, 616735, 648032, 704840, 775324, 810040, 825440, 969155, 986776, 1233470, 1356817, 1409680, 1550648, 1620080, 1938310, 1973552, 2466940, 2713634, 2819360, 3101296, 3240160, 3876620, 3947104, 4933880, 5427268, 6202592, 6784085, 7753240, 9867760, 10854536, 13568170, 15506480, 19735520, 21709072, 27136340, 31012960, 43418144, 54272680, 108545360, 217090720]

約数ペア:

[(1, 217090720), (2, 108545360), (4, 54272680), (5, 43418144), (7, 31012960), (8, 27136340), (10, 21709072), (11, 19735520), (14, 15506480), (16, 13568170), (20, 10854536), (22, 9867760), (28, 7753240), (32, 6784085), (35, 6202592), (40, 5427268), (44, 4933880), (55, 3947104), (56, 3876620), (67, 3240160), (70, 3101296), (77, 2819360), (80, 2713634), (88, 2466940), (110, 1973552), (112, 1938310), (134, 1620080), (140, 1550648), (154, 1409680), (160, 1356817), (176, 1233470), (220, 986776), (224, 969155), (263, 825440), (268, 810040), (280, 775324), (308, 704840), (335, 648032), (352, 616735), (385, 563872), (440, 493388), (469, 462880), (526, 412720), (536, 405020), (560, 387662), (616, 352420), (670, 324016), (737, 294560), (770, 281936), (880, 246694), (938, 231440), (1052, 206360), (1072, 202510), (1120, 193831), (1232, 176210), (1315, 165088), (1340, 162008), (1474, 147280), (1540, 140968), (1760, 123347), (1841, 117920), (1876, 115720), (2104, 103180), (2144, 101255), (2345, 92576), (2464, 88105), (2630, 82544), (2680, 81004), (2893, 75040), (2948, 73640), (3080, 70484), (3682, 58960), (3685, 58912), (3752, 57860), (4208, 51590), (4690, 46288), (5159, 42080), (5260, 41272), (5360, 40502), (5786, 37520), (5896, 36820), (6160, 35242), (7364, 29480), (7370, 29456), (7504, 28930), (8416, 25795), (9205, 23584), (9380, 23144), (10318, 21040), (10520, 20636), (10720, 20251), (11572, 18760), (11792, 18410), (12320, 17621), (14465, 15008), (14728, 14740)]