272030720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 176

約数和(自身を含む): 724932768

約数和(自身を除く): 452902048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 67, 80, 104, 122, 128, 130, 134, 160, 208, 244, 256, 260, 268, 305, 320, 335, 416, 488, 512, 520, 536, 610, 640, 670, 793, 832, 871, 976, 1024, 1040, 1072, 1220, 1280, 1340, 1586, 1664, 1742, 1952, 2080, 2144, 2440, 2560, 2680, 3172, 3328, 3484, 3904, 3965, 4087, 4160, 4288, 4355, 4880, 5120, 5360, 6344, 6656, 6968, 7808, 7930, 8174, 8320, 8576, 8710, 9760, 10720, 12688, 13312, 13936, 15616, 15860, 16348, 16640, 17152, 17420, 19520, 20435, 21440, 25376, 27872, 31232, 31720, 32696, 33280, 34304, 34840, 39040, 40870, 42880, 50752, 53131, 55744, 62464, 63440, 65392, 66560, 68608, 69680, 78080, 81740, 85760, 101504, 106262, 111488, 126880, 130784, 139360, 156160, 163480, 171520, 203008, 212524, 222976, 253760, 261568, 265655, 278720, 312320, 326960, 343040, 406016, 425048, 445952, 507520, 523136, 531310, 557440, 653920, 812032, 850096, 891904, 1015040, 1046272, 1062620, 1114880, 1307840, 1700192, 2030080, 2092544, 2125240, 2229760, 2615680, 3400384, 4060160, 4185088, 4250480, 4459520, 5231360, 6800768, 8500960, 10462720, 13601536, 17001920, 20925440, 27203072, 34003840, 54406144, 68007680, 136015360, 272030720]

約数ペア:

[(1, 272030720), (2, 136015360), (4, 68007680), (5, 54406144), (8, 34003840), (10, 27203072), (13, 20925440), (16, 17001920), (20, 13601536), (26, 10462720), (32, 8500960), (40, 6800768), (52, 5231360), (61, 4459520), (64, 4250480), (65, 4185088), (67, 4060160), (80, 3400384), (104, 2615680), (122, 2229760), (128, 2125240), (130, 2092544), (134, 2030080), (160, 1700192), (208, 1307840), (244, 1114880), (256, 1062620), (260, 1046272), (268, 1015040), (305, 891904), (320, 850096), (335, 812032), (416, 653920), (488, 557440), (512, 531310), (520, 523136), (536, 507520), (610, 445952), (640, 425048), (670, 406016), (793, 343040), (832, 326960), (871, 312320), (976, 278720), (1024, 265655), (1040, 261568), (1072, 253760), (1220, 222976), (1280, 212524), (1340, 203008), (1586, 171520), (1664, 163480), (1742, 156160), (1952, 139360), (2080, 130784), (2144, 126880), (2440, 111488), (2560, 106262), (2680, 101504), (3172, 85760), (3328, 81740), (3484, 78080), (3904, 69680), (3965, 68608), (4087, 66560), (4160, 65392), (4288, 63440), (4355, 62464), (4880, 55744), (5120, 53131), (5360, 50752), (6344, 42880), (6656, 40870), (6968, 39040), (7808, 34840), (7930, 34304), (8174, 33280), (8320, 32696), (8576, 31720), (8710, 31232), (9760, 27872), (10720, 25376), (12688, 21440), (13312, 20435), (13936, 19520), (15616, 17420), (15860, 17152), (16348, 16640)]