256679928

素因数分解:

$2^3\times 3^5\times {\mathrm{29}}^2\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 751394280

約数和(自身を除く): 494714352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 157, 162, 174, 216, 232, 243, 261, 314, 324, 348, 471, 486, 522, 628, 648, 696, 783, 841, 942, 972, 1044, 1256, 1413, 1566, 1682, 1884, 1944, 2088, 2349, 2523, 2826, 3132, 3364, 3768, 4239, 4553, 4698, 5046, 5652, 6264, 6728, 7047, 7569, 8478, 9106, 9396, 10092, 11304, 12717, 13659, 14094, 15138, 16956, 18212, 18792, 20184, 22707, 25434, 27318, 28188, 30276, 33912, 36424, 38151, 40977, 45414, 50868, 54636, 56376, 60552, 68121, 76302, 81954, 90828, 101736, 109272, 122931, 132037, 136242, 152604, 163908, 181656, 204363, 245862, 264074, 272484, 305208, 327816, 368793, 396111, 408726, 491724, 528148, 544968, 737586, 792222, 817452, 983448, 1056296, 1106379, 1188333, 1475172, 1584444, 1634904, 2212758, 2376666, 2950344, 3168888, 3564999, 4425516, 4753332, 7129998, 8851032, 9506664, 10694997, 14259996, 21389994, 28519992, 32084991, 42779988, 64169982, 85559976, 128339964, 256679928]

約数ペア:

[(1, 256679928), (2, 128339964), (3, 85559976), (4, 64169982), (6, 42779988), (8, 32084991), (9, 28519992), (12, 21389994), (18, 14259996), (24, 10694997), (27, 9506664), (29, 8851032), (36, 7129998), (54, 4753332), (58, 4425516), (72, 3564999), (81, 3168888), (87, 2950344), (108, 2376666), (116, 2212758), (157, 1634904), (162, 1584444), (174, 1475172), (216, 1188333), (232, 1106379), (243, 1056296), (261, 983448), (314, 817452), (324, 792222), (348, 737586), (471, 544968), (486, 528148), (522, 491724), (628, 408726), (648, 396111), (696, 368793), (783, 327816), (841, 305208), (942, 272484), (972, 264074), (1044, 245862), (1256, 204363), (1413, 181656), (1566, 163908), (1682, 152604), (1884, 136242), (1944, 132037), (2088, 122931), (2349, 109272), (2523, 101736), (2826, 90828), (3132, 81954), (3364, 76302), (3768, 68121), (4239, 60552), (4553, 56376), (4698, 54636), (5046, 50868), (5652, 45414), (6264, 40977), (6728, 38151), (7047, 36424), (7569, 33912), (8478, 30276), (9106, 28188), (9396, 27318), (10092, 25434), (11304, 22707), (12717, 20184), (13659, 18792), (14094, 18212), (15138, 16956)]