127883200

素因数分解:

$2^6\times 5^2\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:590

約数の個数: 84

約数和(自身を含む): 316912752

約数和(自身を除く): 189029552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 257, 311, 320, 400, 514, 622, 800, 1028, 1244, 1285, 1555, 1600, 2056, 2488, 2570, 3110, 4112, 4976, 5140, 6220, 6425, 7775, 8224, 9952, 10280, 12440, 12850, 15550, 16448, 19904, 20560, 24880, 25700, 31100, 41120, 49760, 51400, 62200, 79927, 82240, 99520, 102800, 124400, 159854, 205600, 248800, 319708, 399635, 411200, 497600, 639416, 799270, 1278832, 1598540, 1998175, 2557664, 3197080, 3996350, 5115328, 6394160, 7992700, 12788320, 15985400, 25576640, 31970800, 63941600, 127883200]

約数ペア:

[(1, 127883200), (2, 63941600), (4, 31970800), (5, 25576640), (8, 15985400), (10, 12788320), (16, 7992700), (20, 6394160), (25, 5115328), (32, 3996350), (40, 3197080), (50, 2557664), (64, 1998175), (80, 1598540), (100, 1278832), (160, 799270), (200, 639416), (257, 497600), (311, 411200), (320, 399635), (400, 319708), (514, 248800), (622, 205600), (800, 159854), (1028, 124400), (1244, 102800), (1285, 99520), (1555, 82240), (1600, 79927), (2056, 62200), (2488, 51400), (2570, 49760), (3110, 41120), (4112, 31100), (4976, 25700), (5140, 24880), (6220, 20560), (6425, 19904), (7775, 16448), (8224, 15550), (9952, 12850), (10280, 12440)]