72281440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5867}}^1$

素因数の和:5900

約数の個数: 96

約数和(自身を含む): 212937984

約数和(自身を除く): 140656544

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 5867, 6160, 11734, 12320, 23468, 29335, 41069, 46936, 58670, 64537, 82138, 93872, 117340, 129074, 164276, 187744, 205345, 234680, 258148, 322685, 328552, 410690, 451759, 469360, 516296, 645370, 657104, 821380, 903518, 938720, 1032592, 1290740, 1314208, 1642760, 1807036, 2065184, 2258795, 2581480, 3285520, 3614072, 4517590, 5162960, 6571040, 7228144, 9035180, 10325920, 14456288, 18070360, 36140720, 72281440]

約数ペア:

[(1, 72281440), (2, 36140720), (4, 18070360), (5, 14456288), (7, 10325920), (8, 9035180), (10, 7228144), (11, 6571040), (14, 5162960), (16, 4517590), (20, 3614072), (22, 3285520), (28, 2581480), (32, 2258795), (35, 2065184), (40, 1807036), (44, 1642760), (55, 1314208), (56, 1290740), (70, 1032592), (77, 938720), (80, 903518), (88, 821380), (110, 657104), (112, 645370), (140, 516296), (154, 469360), (160, 451759), (176, 410690), (220, 328552), (224, 322685), (280, 258148), (308, 234680), (352, 205345), (385, 187744), (440, 164276), (560, 129074), (616, 117340), (770, 93872), (880, 82138), (1120, 64537), (1232, 58670), (1540, 46936), (1760, 41069), (2464, 29335), (3080, 23468), (5867, 12320), (6160, 11734)]