68807600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 90

約数和(自身を含む): 171769140

約数和(自身を除く): 102961540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 179, 200, 248, 310, 358, 400, 496, 620, 716, 775, 895, 961, 1240, 1432, 1550, 1790, 1922, 2480, 2864, 3100, 3580, 3844, 4475, 4805, 5549, 6200, 7160, 7688, 8950, 9610, 11098, 12400, 14320, 15376, 17900, 19220, 22196, 24025, 27745, 35800, 38440, 44392, 48050, 55490, 71600, 76880, 88784, 96100, 110980, 138725, 172019, 192200, 221960, 277450, 344038, 384400, 443920, 554900, 688076, 860095, 1109800, 1376152, 1720190, 2219600, 2752304, 3440380, 4300475, 6880760, 8600950, 13761520, 17201900, 34403800, 68807600]

約数ペア:

[(1, 68807600), (2, 34403800), (4, 17201900), (5, 13761520), (8, 8600950), (10, 6880760), (16, 4300475), (20, 3440380), (25, 2752304), (31, 2219600), (40, 1720190), (50, 1376152), (62, 1109800), (80, 860095), (100, 688076), (124, 554900), (155, 443920), (179, 384400), (200, 344038), (248, 277450), (310, 221960), (358, 192200), (400, 172019), (496, 138725), (620, 110980), (716, 96100), (775, 88784), (895, 76880), (961, 71600), (1240, 55490), (1432, 48050), (1550, 44392), (1790, 38440), (1922, 35800), (2480, 27745), (2864, 24025), (3100, 22196), (3580, 19220), (3844, 17900), (4475, 15376), (4805, 14320), (5549, 12400), (6200, 11098), (7160, 9610), (7688, 8950)]