205029120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 662256000

約数和(自身を除く): 457226880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 256, 320, 321, 384, 428, 480, 499, 535, 640, 642, 768, 856, 960, 998, 1070, 1280, 1284, 1497, 1605, 1712, 1920, 1996, 2140, 2495, 2568, 2994, 3210, 3424, 3840, 3992, 4280, 4990, 5136, 5988, 6420, 6848, 7485, 7984, 8560, 9980, 10272, 11976, 12840, 13696, 14970, 15968, 17120, 19960, 20544, 23952, 25680, 27392, 29940, 31936, 34240, 39920, 41088, 47904, 51360, 53393, 59880, 63872, 68480, 79840, 82176, 95808, 102720, 106786, 119760, 127744, 136960, 159680, 160179, 191616, 205440, 213572, 239520, 266965, 319360, 320358, 383232, 410880, 427144, 479040, 533930, 638720, 640716, 800895, 854288, 958080, 1067860, 1281432, 1601790, 1708576, 1916160, 2135720, 2562864, 3203580, 3417152, 4271440, 5125728, 6407160, 6834304, 8542880, 10251456, 12814320, 13668608, 17085760, 20502912, 25628640, 34171520, 41005824, 51257280, 68343040, 102514560, 205029120]

約数ペア:

[(1, 205029120), (2, 102514560), (3, 68343040), (4, 51257280), (5, 41005824), (6, 34171520), (8, 25628640), (10, 20502912), (12, 17085760), (15, 13668608), (16, 12814320), (20, 10251456), (24, 8542880), (30, 6834304), (32, 6407160), (40, 5125728), (48, 4271440), (60, 3417152), (64, 3203580), (80, 2562864), (96, 2135720), (107, 1916160), (120, 1708576), (128, 1601790), (160, 1281432), (192, 1067860), (214, 958080), (240, 854288), (256, 800895), (320, 640716), (321, 638720), (384, 533930), (428, 479040), (480, 427144), (499, 410880), (535, 383232), (640, 320358), (642, 319360), (768, 266965), (856, 239520), (960, 213572), (998, 205440), (1070, 191616), (1280, 160179), (1284, 159680), (1497, 136960), (1605, 127744), (1712, 119760), (1920, 106786), (1996, 102720), (2140, 95808), (2495, 82176), (2568, 79840), (2994, 68480), (3210, 63872), (3424, 59880), (3840, 53393), (3992, 51360), (4280, 47904), (4990, 41088), (5136, 39920), (5988, 34240), (6420, 31936), (6848, 29940), (7485, 27392), (7984, 25680), (8560, 23952), (9980, 20544), (10272, 19960), (11976, 17120), (12840, 15968), (13696, 14970)]