257162688

素因数分解:

$2^6\times 3^4\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:576

約数の個数: 140

約数和(自身を含む): 770808720

約数和(自身を除く): 513646032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 113, 144, 162, 192, 216, 226, 288, 324, 339, 432, 439, 452, 576, 648, 678, 864, 878, 904, 1017, 1296, 1317, 1356, 1728, 1756, 1808, 2034, 2592, 2634, 2712, 3051, 3512, 3616, 3951, 4068, 5184, 5268, 5424, 6102, 7024, 7232, 7902, 8136, 9153, 10536, 10848, 11853, 12204, 14048, 15804, 16272, 18306, 21072, 21696, 23706, 24408, 28096, 31608, 32544, 35559, 36612, 42144, 47412, 48816, 49607, 63216, 65088, 71118, 73224, 84288, 94824, 97632, 99214, 126432, 142236, 146448, 148821, 189648, 195264, 198428, 252864, 284472, 292896, 297642, 379296, 396856, 446463, 568944, 585792, 595284, 758592, 793712, 892926, 1137888, 1190568, 1339389, 1587424, 1785852, 2275776, 2381136, 2678778, 3174848, 3571704, 4018167, 4762272, 5357556, 7143408, 8036334, 9524544, 10715112, 14286816, 16072668, 21430224, 28573632, 32145336, 42860448, 64290672, 85720896, 128581344, 257162688]

約数ペア:

[(1, 257162688), (2, 128581344), (3, 85720896), (4, 64290672), (6, 42860448), (8, 32145336), (9, 28573632), (12, 21430224), (16, 16072668), (18, 14286816), (24, 10715112), (27, 9524544), (32, 8036334), (36, 7143408), (48, 5357556), (54, 4762272), (64, 4018167), (72, 3571704), (81, 3174848), (96, 2678778), (108, 2381136), (113, 2275776), (144, 1785852), (162, 1587424), (192, 1339389), (216, 1190568), (226, 1137888), (288, 892926), (324, 793712), (339, 758592), (432, 595284), (439, 585792), (452, 568944), (576, 446463), (648, 396856), (678, 379296), (864, 297642), (878, 292896), (904, 284472), (1017, 252864), (1296, 198428), (1317, 195264), (1356, 189648), (1728, 148821), (1756, 146448), (1808, 142236), (2034, 126432), (2592, 99214), (2634, 97632), (2712, 94824), (3051, 84288), (3512, 73224), (3616, 71118), (3951, 65088), (4068, 63216), (5184, 49607), (5268, 48816), (5424, 47412), (6102, 42144), (7024, 36612), (7232, 35559), (7902, 32544), (8136, 31608), (9153, 28096), (10536, 24408), (10848, 23706), (11853, 21696), (12204, 21072), (14048, 18306), (15804, 16272)]