257568768

素因数分解:

$2^{12}\times 3^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 208

約数和(自身を含む): 813857760

約数和(自身を除く): 556288992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 137, 144, 153, 192, 204, 216, 256, 272, 274, 288, 306, 384, 408, 411, 432, 459, 512, 544, 548, 576, 612, 768, 816, 822, 864, 918, 1024, 1088, 1096, 1152, 1224, 1233, 1536, 1632, 1644, 1728, 1836, 2048, 2176, 2192, 2304, 2329, 2448, 2466, 3072, 3264, 3288, 3456, 3672, 3699, 4096, 4352, 4384, 4608, 4658, 4896, 4932, 6144, 6528, 6576, 6912, 6987, 7344, 7398, 8704, 8768, 9216, 9316, 9792, 9864, 12288, 13056, 13152, 13824, 13974, 14688, 14796, 17408, 17536, 18432, 18632, 19584, 19728, 20961, 26112, 26304, 27648, 27948, 29376, 29592, 34816, 35072, 36864, 37264, 39168, 39456, 41922, 52224, 52608, 55296, 55896, 58752, 59184, 62883, 69632, 70144, 74528, 78336, 78912, 83844, 104448, 105216, 110592, 111792, 117504, 118368, 125766, 140288, 149056, 156672, 157824, 167688, 208896, 210432, 223584, 235008, 236736, 251532, 280576, 298112, 313344, 315648, 335376, 420864, 447168, 470016, 473472, 503064, 561152, 596224, 626688, 631296, 670752, 841728, 894336, 940032, 946944, 1006128, 1192448, 1262592, 1341504, 1683456, 1788672, 1880064, 1893888, 2012256, 2384896, 2525184, 2683008, 3577344, 3787776, 4024512, 4769792, 5050368, 5366016, 7154688, 7575552, 8049024, 9539584, 10732032, 14309376, 15151104, 16098048, 21464064, 28618752, 32196096, 42928128, 64392192, 85856256, 128784384, 257568768]

約数ペア:

[(1, 257568768), (2, 128784384), (3, 85856256), (4, 64392192), (6, 42928128), (8, 32196096), (9, 28618752), (12, 21464064), (16, 16098048), (17, 15151104), (18, 14309376), (24, 10732032), (27, 9539584), (32, 8049024), (34, 7575552), (36, 7154688), (48, 5366016), (51, 5050368), (54, 4769792), (64, 4024512), (68, 3787776), (72, 3577344), (96, 2683008), (102, 2525184), (108, 2384896), (128, 2012256), (136, 1893888), (137, 1880064), (144, 1788672), (153, 1683456), (192, 1341504), (204, 1262592), (216, 1192448), (256, 1006128), (272, 946944), (274, 940032), (288, 894336), (306, 841728), (384, 670752), (408, 631296), (411, 626688), (432, 596224), (459, 561152), (512, 503064), (544, 473472), (548, 470016), (576, 447168), (612, 420864), (768, 335376), (816, 315648), (822, 313344), (864, 298112), (918, 280576), (1024, 251532), (1088, 236736), (1096, 235008), (1152, 223584), (1224, 210432), (1233, 208896), (1536, 167688), (1632, 157824), (1644, 156672), (1728, 149056), (1836, 140288), (2048, 125766), (2176, 118368), (2192, 117504), (2304, 111792), (2329, 110592), (2448, 105216), (2466, 104448), (3072, 83844), (3264, 78912), (3288, 78336), (3456, 74528), (3672, 70144), (3699, 69632), (4096, 62883), (4352, 59184), (4384, 58752), (4608, 55896), (4658, 55296), (4896, 52608), (4932, 52224), (6144, 41922), (6528, 39456), (6576, 39168), (6912, 37264), (6987, 36864), (7344, 35072), (7398, 34816), (8704, 29592), (8768, 29376), (9216, 27948), (9316, 27648), (9792, 26304), (9864, 26112), (12288, 20961), (13056, 19728), (13152, 19584), (13824, 18632), (13974, 18432), (14688, 17536), (14796, 17408)]