64128400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 120

約数和(自身を含む): 181129280

約数和(自身を除く): 117000880

約数列:

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

約数ペア:

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