257308128

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:358

約数の個数: 288

約数和(自身を含む): 937827072

約数和(自身を除く): 680518944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 41, 42, 44, 48, 56, 63, 66, 72, 77, 82, 84, 88, 96, 99, 112, 123, 126, 132, 144, 154, 164, 168, 176, 198, 224, 231, 246, 252, 264, 283, 287, 288, 308, 328, 336, 352, 369, 396, 451, 462, 492, 504, 528, 566, 574, 616, 656, 672, 693, 738, 792, 849, 861, 902, 924, 984, 1008, 1056, 1132, 1148, 1232, 1312, 1353, 1386, 1476, 1584, 1698, 1722, 1804, 1848, 1968, 1981, 2016, 2264, 2296, 2464, 2547, 2583, 2706, 2772, 2952, 3113, 3157, 3168, 3396, 3444, 3608, 3696, 3936, 3962, 4059, 4528, 4592, 5094, 5166, 5412, 5544, 5904, 5943, 6226, 6314, 6792, 6888, 7216, 7392, 7924, 8118, 9056, 9184, 9339, 9471, 10188, 10332, 10824, 11088, 11603, 11808, 11886, 12452, 12628, 13584, 13776, 14432, 15848, 16236, 17829, 18678, 18942, 20376, 20664, 21648, 21791, 22176, 23206, 23772, 24904, 25256, 27168, 27552, 28017, 28413, 31696, 32472, 34809, 35658, 37356, 37884, 40752, 41328, 43296, 43582, 46412, 47544, 49808, 50512, 56034, 56826, 63392, 64944, 65373, 69618, 71316, 74712, 75768, 81221, 81504, 82656, 87164, 92824, 95088, 99616, 101024, 104427, 112068, 113652, 127633, 129888, 130746, 139236, 142632, 149424, 151536, 162442, 174328, 185648, 190176, 196119, 208854, 224136, 227304, 243663, 255266, 261492, 278472, 285264, 298848, 303072, 324884, 348656, 371296, 382899, 392238, 417708, 448272, 454608, 487326, 510532, 522984, 556944, 570528, 649768, 697312, 730989, 765798, 784476, 835416, 893431, 896544, 909216, 974652, 1021064, 1045968, 1113888, 1148697, 1299536, 1461978, 1531596, 1568952, 1670832, 1786862, 1949304, 2042128, 2091936, 2297394, 2599072, 2680293, 2923956, 3063192, 3137904, 3341664, 3573724, 3898608, 4084256, 4594788, 5360586, 5847912, 6126384, 6275808, 7147448, 7797216, 8040879, 9189576, 10721172, 11695824, 12252768, 14294896, 16081758, 18379152, 21442344, 23391648, 28589792, 32163516, 36758304, 42884688, 64327032, 85769376, 128654064, 257308128]

約数ペア:

[(1, 257308128), (2, 128654064), (3, 85769376), (4, 64327032), (6, 42884688), (7, 36758304), (8, 32163516), (9, 28589792), (11, 23391648), (12, 21442344), (14, 18379152), (16, 16081758), (18, 14294896), (21, 12252768), (22, 11695824), (24, 10721172), (28, 9189576), (32, 8040879), (33, 7797216), (36, 7147448), (41, 6275808), (42, 6126384), (44, 5847912), (48, 5360586), (56, 4594788), (63, 4084256), (66, 3898608), (72, 3573724), (77, 3341664), (82, 3137904), (84, 3063192), (88, 2923956), (96, 2680293), (99, 2599072), (112, 2297394), (123, 2091936), (126, 2042128), (132, 1949304), (144, 1786862), (154, 1670832), (164, 1568952), (168, 1531596), (176, 1461978), (198, 1299536), (224, 1148697), (231, 1113888), (246, 1045968), (252, 1021064), (264, 974652), (283, 909216), (287, 896544), (288, 893431), (308, 835416), (328, 784476), (336, 765798), (352, 730989), (369, 697312), (396, 649768), (451, 570528), (462, 556944), (492, 522984), (504, 510532), (528, 487326), (566, 454608), (574, 448272), (616, 417708), (656, 392238), (672, 382899), (693, 371296), (738, 348656), (792, 324884), (849, 303072), (861, 298848), (902, 285264), (924, 278472), (984, 261492), (1008, 255266), (1056, 243663), (1132, 227304), (1148, 224136), (1232, 208854), (1312, 196119), (1353, 190176), (1386, 185648), (1476, 174328), (1584, 162442), (1698, 151536), (1722, 149424), (1804, 142632), (1848, 139236), (1968, 130746), (1981, 129888), (2016, 127633), (2264, 113652), (2296, 112068), (2464, 104427), (2547, 101024), (2583, 99616), (2706, 95088), (2772, 92824), (2952, 87164), (3113, 82656), (3157, 81504), (3168, 81221), (3396, 75768), (3444, 74712), (3608, 71316), (3696, 69618), (3936, 65373), (3962, 64944), (4059, 63392), (4528, 56826), (4592, 56034), (5094, 50512), (5166, 49808), (5412, 47544), (5544, 46412), (5904, 43582), (5943, 43296), (6226, 41328), (6314, 40752), (6792, 37884), (6888, 37356), (7216, 35658), (7392, 34809), (7924, 32472), (8118, 31696), (9056, 28413), (9184, 28017), (9339, 27552), (9471, 27168), (10188, 25256), (10332, 24904), (10824, 23772), (11088, 23206), (11603, 22176), (11808, 21791), (11886, 21648), (12452, 20664), (12628, 20376), (13584, 18942), (13776, 18678), (14432, 17829), (15848, 16236)]