257478912

素因数分解:

$2^8\times 3^5\times {\mathrm{4139}}^1$

素因数の和:4170

約数の個数: 108

約数和(自身を含む): 770056560

約数和(自身を除く): 512577648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 576, 648, 768, 864, 972, 1152, 1296, 1728, 1944, 2304, 2592, 3456, 3888, 4139, 5184, 6912, 7776, 8278, 10368, 12417, 15552, 16556, 20736, 24834, 31104, 33112, 37251, 49668, 62208, 66224, 74502, 99336, 111753, 132448, 149004, 198672, 223506, 264896, 298008, 335259, 397344, 447012, 529792, 596016, 670518, 794688, 894024, 1005777, 1059584, 1192032, 1341036, 1589376, 1788048, 2011554, 2384064, 2682072, 3178752, 3576096, 4023108, 4768128, 5364144, 7152192, 8046216, 9536256, 10728288, 14304384, 16092432, 21456576, 28608768, 32184864, 42913152, 64369728, 85826304, 128739456, 257478912]

約数ペア:

[(1, 257478912), (2, 128739456), (3, 85826304), (4, 64369728), (6, 42913152), (8, 32184864), (9, 28608768), (12, 21456576), (16, 16092432), (18, 14304384), (24, 10728288), (27, 9536256), (32, 8046216), (36, 7152192), (48, 5364144), (54, 4768128), (64, 4023108), (72, 3576096), (81, 3178752), (96, 2682072), (108, 2384064), (128, 2011554), (144, 1788048), (162, 1589376), (192, 1341036), (216, 1192032), (243, 1059584), (256, 1005777), (288, 894024), (324, 794688), (384, 670518), (432, 596016), (486, 529792), (576, 447012), (648, 397344), (768, 335259), (864, 298008), (972, 264896), (1152, 223506), (1296, 198672), (1728, 149004), (1944, 132448), (2304, 111753), (2592, 99336), (3456, 74502), (3888, 66224), (4139, 62208), (5184, 49668), (6912, 37251), (7776, 33112), (8278, 31104), (10368, 24834), (12417, 20736), (15552, 16556)]