64762880

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 176

約数和(自身を含む): 192581760

約数和(自身を除く): 127818880

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, 2080, 2224, 2240, 2560, 2780, 2912, 3328, 3584, 3614, 3640, 3892, 4160, 4448, 4480, 4865, 5120, 5560, 5824, 6656, 7168, 7228, 7280, 7784, 8320, 8896, 8960, 9035, 9730, 11120, 11648, 12649, 13312, 14456, 14560, 15568, 16640, 17792, 17920, 18070, 19460, 22240, 23296, 25298, 28912, 29120, 31136, 33280, 35584, 35840, 36140, 38920, 44480, 46592, 50596, 57824, 58240, 62272, 63245, 66560, 71168, 72280, 77840, 88960, 93184, 101192, 115648, 116480, 124544, 126490, 142336, 144560, 155680, 177920, 202384, 231296, 232960, 249088, 252980, 289120, 311360, 355840, 404768, 462592, 465920, 498176, 505960, 578240, 622720, 711680, 809536, 925184, 996352, 1011920, 1156480, 1245440, 1619072, 1850368, 2023840, 2312960, 2490880, 3238144, 4047680, 4625920, 4981760, 6476288, 8095360, 9251840, 12952576, 16190720, 32381440, 64762880]

約数ペア:

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