128256800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:683

約数の個数: 144

約数和(自身を含む): 368101440

約数和(自身を除く): 239844640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 140, 148, 160, 175, 185, 200, 224, 259, 280, 296, 350, 370, 400, 518, 560, 592, 619, 700, 740, 800, 925, 1036, 1120, 1184, 1238, 1295, 1400, 1480, 1850, 2072, 2476, 2590, 2800, 2960, 3095, 3700, 4144, 4333, 4952, 5180, 5600, 5920, 6190, 6475, 7400, 8288, 8666, 9904, 10360, 12380, 12950, 14800, 15475, 17332, 19808, 20720, 21665, 22903, 24760, 25900, 29600, 30950, 34664, 41440, 43330, 45806, 49520, 51800, 61900, 69328, 86660, 91612, 99040, 103600, 108325, 114515, 123800, 138656, 160321, 173320, 183224, 207200, 216650, 229030, 247600, 320642, 346640, 366448, 433300, 458060, 495200, 572575, 641284, 693280, 732896, 801605, 866600, 916120, 1145150, 1282568, 1603210, 1733200, 1832240, 2290300, 2565136, 3206420, 3466400, 3664480, 4008025, 4580600, 5130272, 6412840, 8016050, 9161200, 12825680, 16032100, 18322400, 25651360, 32064200, 64128400, 128256800]

約数ペア:

[(1, 128256800), (2, 64128400), (4, 32064200), (5, 25651360), (7, 18322400), (8, 16032100), (10, 12825680), (14, 9161200), (16, 8016050), (20, 6412840), (25, 5130272), (28, 4580600), (32, 4008025), (35, 3664480), (37, 3466400), (40, 3206420), (50, 2565136), (56, 2290300), (70, 1832240), (74, 1733200), (80, 1603210), (100, 1282568), (112, 1145150), (140, 916120), (148, 866600), (160, 801605), (175, 732896), (185, 693280), (200, 641284), (224, 572575), (259, 495200), (280, 458060), (296, 433300), (350, 366448), (370, 346640), (400, 320642), (518, 247600), (560, 229030), (592, 216650), (619, 207200), (700, 183224), (740, 173320), (800, 160321), (925, 138656), (1036, 123800), (1120, 114515), (1184, 108325), (1238, 103600), (1295, 99040), (1400, 91612), (1480, 86660), (1850, 69328), (2072, 61900), (2476, 51800), (2590, 49520), (2800, 45806), (2960, 43330), (3095, 41440), (3700, 34664), (4144, 30950), (4333, 29600), (4952, 25900), (5180, 24760), (5600, 22903), (5920, 21665), (6190, 20720), (6475, 19808), (7400, 17332), (8288, 15475), (8666, 14800), (9904, 12950), (10360, 12380)]