53715760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 148088736

約数和(自身を除く): 94372976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 193, 196, 245, 280, 284, 355, 386, 392, 490, 497, 560, 568, 710, 772, 784, 965, 980, 994, 1136, 1351, 1420, 1544, 1930, 1960, 1988, 2485, 2702, 2840, 3088, 3479, 3860, 3920, 3976, 4970, 5404, 5680, 6755, 6958, 7720, 7952, 9457, 9940, 10808, 13510, 13703, 13916, 15440, 17395, 18914, 19880, 21616, 27020, 27406, 27832, 34790, 37828, 39760, 47285, 54040, 54812, 55664, 68515, 69580, 75656, 94570, 95921, 108080, 109624, 137030, 139160, 151312, 189140, 191842, 219248, 274060, 278320, 378280, 383684, 479605, 548120, 671447, 756560, 767368, 959210, 1096240, 1342894, 1534736, 1918420, 2685788, 3357235, 3836840, 5371576, 6714470, 7673680, 10743152, 13428940, 26857880, 53715760]

約数ペア:

[(1, 53715760), (2, 26857880), (4, 13428940), (5, 10743152), (7, 7673680), (8, 6714470), (10, 5371576), (14, 3836840), (16, 3357235), (20, 2685788), (28, 1918420), (35, 1534736), (40, 1342894), (49, 1096240), (56, 959210), (70, 767368), (71, 756560), (80, 671447), (98, 548120), (112, 479605), (140, 383684), (142, 378280), (193, 278320), (196, 274060), (245, 219248), (280, 191842), (284, 189140), (355, 151312), (386, 139160), (392, 137030), (490, 109624), (497, 108080), (560, 95921), (568, 94570), (710, 75656), (772, 69580), (784, 68515), (965, 55664), (980, 54812), (994, 54040), (1136, 47285), (1351, 39760), (1420, 37828), (1544, 34790), (1930, 27832), (1960, 27406), (1988, 27020), (2485, 21616), (2702, 19880), (2840, 18914), (3088, 17395), (3479, 15440), (3860, 13916), (3920, 13703), (3976, 13510), (4970, 10808), (5404, 9940), (5680, 9457), (6755, 7952), (6958, 7720)]