2080507520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 256

約数和(自身を含む): 6189523200

約数和(自身を除く): 4109015680

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, 257, 260, 278, 280, 320, 364, 416, 448, 455, 514, 520, 556, 560, 640, 695, 728, 832, 896, 910, 973, 1028, 1040, 1112, 1120, 1285, 1390, 1456, 1664, 1799, 1807, 1820, 1946, 2056, 2080, 2224, 2240, 2570, 2780, 2912, 3341, 3598, 3614, 3640, 3892, 4112, 4160, 4448, 4480, 4865, 5140, 5560, 5824, 6682, 7196, 7228, 7280, 7784, 8224, 8320, 8896, 8995, 9035, 9730, 10280, 11120, 11648, 12649, 13364, 14392, 14456, 14560, 15568, 16448, 16705, 17792, 17990, 18070, 19460, 20560, 22240, 23387, 25298, 26728, 28784, 28912, 29120, 31136, 32896, 33410, 35723, 35980, 36140, 38920, 41120, 44480, 46774, 50596, 53456, 57568, 57824, 58240, 62272, 63245, 66820, 71446, 71960, 72280, 77840, 82240, 88960, 93548, 101192, 106912, 115136, 115648, 116935, 124544, 126490, 133640, 142892, 143920, 144560, 155680, 164480, 178615, 187096, 202384, 213824, 230272, 231296, 233870, 250061, 252980, 267280, 285784, 287840, 289120, 311360, 357230, 374192, 404768, 427648, 464399, 467740, 500122, 505960, 534560, 571568, 575680, 578240, 622720, 714460, 748384, 809536, 928798, 935480, 1000244, 1011920, 1069120, 1143136, 1151360, 1156480, 1250305, 1428920, 1496768, 1619072, 1857596, 1870960, 2000488, 2023840, 2138240, 2286272, 2321995, 2500610, 2857840, 2993536, 3250793, 3715192, 3741920, 4000976, 4047680, 4572544, 4643990, 5001220, 5715680, 6501586, 7430384, 7483840, 8001952, 8095360, 9287980, 10002440, 11431360, 13003172, 14860768, 14967680, 16003904, 16253965, 18575960, 20004880, 22862720, 26006344, 29721536, 32007808, 32507930, 37151920, 40009760, 52012688, 59443072, 65015860, 74303840, 80019520, 104025376, 130031720, 148607680, 160039040, 208050752, 260063440, 297215360, 416101504, 520126880, 1040253760, 2080507520]

約数ペア:

[(1, 2080507520), (2, 1040253760), (4, 520126880), (5, 416101504), (7, 297215360), (8, 260063440), (10, 208050752), (13, 160039040), (14, 148607680), (16, 130031720), (20, 104025376), (26, 80019520), (28, 74303840), (32, 65015860), (35, 59443072), (40, 52012688), (52, 40009760), (56, 37151920), (64, 32507930), (65, 32007808), (70, 29721536), (80, 26006344), (91, 22862720), (104, 20004880), (112, 18575960), (128, 16253965), (130, 16003904), (139, 14967680), (140, 14860768), (160, 13003172), (182, 11431360), (208, 10002440), (224, 9287980), (257, 8095360), (260, 8001952), (278, 7483840), (280, 7430384), (320, 6501586), (364, 5715680), (416, 5001220), (448, 4643990), (455, 4572544), (514, 4047680), (520, 4000976), (556, 3741920), (560, 3715192), (640, 3250793), (695, 2993536), (728, 2857840), (832, 2500610), (896, 2321995), (910, 2286272), (973, 2138240), (1028, 2023840), (1040, 2000488), (1112, 1870960), (1120, 1857596), (1285, 1619072), (1390, 1496768), (1456, 1428920), (1664, 1250305), (1799, 1156480), (1807, 1151360), (1820, 1143136), (1946, 1069120), (2056, 1011920), (2080, 1000244), (2224, 935480), (2240, 928798), (2570, 809536), (2780, 748384), (2912, 714460), (3341, 622720), (3598, 578240), (3614, 575680), (3640, 571568), (3892, 534560), (4112, 505960), (4160, 500122), (4448, 467740), (4480, 464399), (4865, 427648), (5140, 404768), (5560, 374192), (5824, 357230), (6682, 311360), (7196, 289120), (7228, 287840), (7280, 285784), (7784, 267280), (8224, 252980), (8320, 250061), (8896, 233870), (8995, 231296), (9035, 230272), (9730, 213824), (10280, 202384), (11120, 187096), (11648, 178615), (12649, 164480), (13364, 155680), (14392, 144560), (14456, 143920), (14560, 142892), (15568, 133640), (16448, 126490), (16705, 124544), (17792, 116935), (17990, 115648), (18070, 115136), (19460, 106912), (20560, 101192), (22240, 93548), (23387, 88960), (25298, 82240), (26728, 77840), (28784, 72280), (28912, 71960), (29120, 71446), (31136, 66820), (32896, 63245), (33410, 62272), (35723, 58240), (35980, 57824), (36140, 57568), (38920, 53456), (41120, 50596), (44480, 46774)]