259051520

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 208

約数和(自身を含む): 770609280

約数和(自身を除く): 511557760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 139, 140, 160, 182, 208, 224, 256, 260, 278, 280, 320, 364, 416, 448, 455, 512, 520, 556, 560, 640, 695, 728, 832, 896, 910, 973, 1024, 1040, 1112, 1120, 1280, 1390, 1456, 1664, 1792, 1807, 1820, 1946, 2048, 2080, 2224, 2240, 2560, 2780, 2912, 3328, 3584, 3614, 3640, 3892, 4096, 4160, 4448, 4480, 4865, 5120, 5560, 5824, 6656, 7168, 7228, 7280, 7784, 8320, 8896, 8960, 9035, 9730, 10240, 11120, 11648, 12649, 13312, 14336, 14456, 14560, 15568, 16640, 17792, 17920, 18070, 19460, 20480, 22240, 23296, 25298, 26624, 28672, 28912, 29120, 31136, 33280, 35584, 35840, 36140, 38920, 44480, 46592, 50596, 53248, 57824, 58240, 62272, 63245, 66560, 71168, 71680, 72280, 77840, 88960, 93184, 101192, 115648, 116480, 124544, 126490, 133120, 142336, 143360, 144560, 155680, 177920, 186368, 202384, 231296, 232960, 249088, 252980, 266240, 284672, 289120, 311360, 355840, 372736, 404768, 462592, 465920, 498176, 505960, 569344, 578240, 622720, 711680, 809536, 925184, 931840, 996352, 1011920, 1156480, 1245440, 1423360, 1619072, 1850368, 1863680, 1992704, 2023840, 2312960, 2490880, 2846720, 3238144, 3700736, 3985408, 4047680, 4625920, 4981760, 6476288, 7401472, 8095360, 9251840, 9963520, 12952576, 16190720, 18503680, 19927040, 25905152, 32381440, 37007360, 51810304, 64762880, 129525760, 259051520]

約数ペア:

[(1, 259051520), (2, 129525760), (4, 64762880), (5, 51810304), (7, 37007360), (8, 32381440), (10, 25905152), (13, 19927040), (14, 18503680), (16, 16190720), (20, 12952576), (26, 9963520), (28, 9251840), (32, 8095360), (35, 7401472), (40, 6476288), (52, 4981760), (56, 4625920), (64, 4047680), (65, 3985408), (70, 3700736), (80, 3238144), (91, 2846720), (104, 2490880), (112, 2312960), (128, 2023840), (130, 1992704), (139, 1863680), (140, 1850368), (160, 1619072), (182, 1423360), (208, 1245440), (224, 1156480), (256, 1011920), (260, 996352), (278, 931840), (280, 925184), (320, 809536), (364, 711680), (416, 622720), (448, 578240), (455, 569344), (512, 505960), (520, 498176), (556, 465920), (560, 462592), (640, 404768), (695, 372736), (728, 355840), (832, 311360), (896, 289120), (910, 284672), (973, 266240), (1024, 252980), (1040, 249088), (1112, 232960), (1120, 231296), (1280, 202384), (1390, 186368), (1456, 177920), (1664, 155680), (1792, 144560), (1807, 143360), (1820, 142336), (1946, 133120), (2048, 126490), (2080, 124544), (2224, 116480), (2240, 115648), (2560, 101192), (2780, 93184), (2912, 88960), (3328, 77840), (3584, 72280), (3614, 71680), (3640, 71168), (3892, 66560), (4096, 63245), (4160, 62272), (4448, 58240), (4480, 57824), (4865, 53248), (5120, 50596), (5560, 46592), (5824, 44480), (6656, 38920), (7168, 36140), (7228, 35840), (7280, 35584), (7784, 33280), (8320, 31136), (8896, 29120), (8960, 28912), (9035, 28672), (9730, 26624), (10240, 25298), (11120, 23296), (11648, 22240), (12649, 20480), (13312, 19460), (14336, 18070), (14456, 17920), (14560, 17792), (15568, 16640)]