72638720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 221831232

約数和(自身を除く): 149192512

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 67, 70, 77, 80, 88, 110, 112, 121, 128, 134, 140, 154, 160, 176, 220, 224, 242, 256, 268, 280, 308, 320, 335, 352, 385, 440, 448, 469, 484, 536, 560, 605, 616, 640, 670, 704, 737, 770, 847, 880, 896, 938, 968, 1072, 1120, 1210, 1232, 1280, 1340, 1408, 1474, 1540, 1694, 1760, 1792, 1876, 1936, 2144, 2240, 2345, 2420, 2464, 2680, 2816, 2948, 3080, 3388, 3520, 3685, 3752, 3872, 4235, 4288, 4480, 4690, 4840, 4928, 5159, 5360, 5896, 6160, 6776, 7040, 7370, 7504, 7744, 8107, 8470, 8576, 8960, 9380, 9680, 9856, 10318, 10720, 11792, 12320, 13552, 14080, 14740, 15008, 15488, 16214, 16940, 17152, 18760, 19360, 19712, 20636, 21440, 23584, 24640, 25795, 27104, 29480, 30016, 30976, 32428, 33880, 37520, 38720, 40535, 41272, 42880, 47168, 49280, 51590, 54208, 56749, 58960, 60032, 64856, 67760, 75040, 77440, 81070, 82544, 85760, 94336, 98560, 103180, 108416, 113498, 117920, 120064, 129712, 135520, 150080, 154880, 162140, 165088, 188672, 206360, 216832, 226996, 235840, 259424, 271040, 283745, 300160, 324280, 330176, 412720, 453992, 471680, 518848, 542080, 567490, 600320, 648560, 660352, 825440, 907984, 943360, 1037696, 1084160, 1134980, 1297120, 1320704, 1650880, 1815968, 2075392, 2269960, 2594240, 3301760, 3631936, 4539920, 5188480, 6603520, 7263872, 9079840, 10376960, 14527744, 18159680, 36319360, 72638720]

約数ペア:

[(1, 72638720), (2, 36319360), (4, 18159680), (5, 14527744), (7, 10376960), (8, 9079840), (10, 7263872), (11, 6603520), (14, 5188480), (16, 4539920), (20, 3631936), (22, 3301760), (28, 2594240), (32, 2269960), (35, 2075392), (40, 1815968), (44, 1650880), (55, 1320704), (56, 1297120), (64, 1134980), (67, 1084160), (70, 1037696), (77, 943360), (80, 907984), (88, 825440), (110, 660352), (112, 648560), (121, 600320), (128, 567490), (134, 542080), (140, 518848), (154, 471680), (160, 453992), (176, 412720), (220, 330176), (224, 324280), (242, 300160), (256, 283745), (268, 271040), (280, 259424), (308, 235840), (320, 226996), (335, 216832), (352, 206360), (385, 188672), (440, 165088), (448, 162140), (469, 154880), (484, 150080), (536, 135520), (560, 129712), (605, 120064), (616, 117920), (640, 113498), (670, 108416), (704, 103180), (737, 98560), (770, 94336), (847, 85760), (880, 82544), (896, 81070), (938, 77440), (968, 75040), (1072, 67760), (1120, 64856), (1210, 60032), (1232, 58960), (1280, 56749), (1340, 54208), (1408, 51590), (1474, 49280), (1540, 47168), (1694, 42880), (1760, 41272), (1792, 40535), (1876, 38720), (1936, 37520), (2144, 33880), (2240, 32428), (2345, 30976), (2420, 30016), (2464, 29480), (2680, 27104), (2816, 25795), (2948, 24640), (3080, 23584), (3388, 21440), (3520, 20636), (3685, 19712), (3752, 19360), (3872, 18760), (4235, 17152), (4288, 16940), (4480, 16214), (4690, 15488), (4840, 15008), (4928, 14740), (5159, 14080), (5360, 13552), (5896, 12320), (6160, 11792), (6776, 10720), (7040, 10318), (7370, 9856), (7504, 9680), (7744, 9380), (8107, 8960), (8470, 8576)]