260063440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:429

約数の個数: 160

約数和(自身を含む): 752451840

約数和(自身を除く): 492388400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 139, 140, 182, 208, 257, 260, 278, 280, 364, 455, 514, 520, 556, 560, 695, 728, 910, 973, 1028, 1040, 1112, 1285, 1390, 1456, 1799, 1807, 1820, 1946, 2056, 2224, 2570, 2780, 3341, 3598, 3614, 3640, 3892, 4112, 4865, 5140, 5560, 6682, 7196, 7228, 7280, 7784, 8995, 9035, 9730, 10280, 11120, 12649, 13364, 14392, 14456, 15568, 16705, 17990, 18070, 19460, 20560, 23387, 25298, 26728, 28784, 28912, 33410, 35723, 35980, 36140, 38920, 46774, 50596, 53456, 63245, 66820, 71446, 71960, 72280, 77840, 93548, 101192, 116935, 126490, 133640, 142892, 143920, 144560, 178615, 187096, 202384, 233870, 250061, 252980, 267280, 285784, 357230, 374192, 464399, 467740, 500122, 505960, 571568, 714460, 928798, 935480, 1000244, 1011920, 1250305, 1428920, 1857596, 1870960, 2000488, 2321995, 2500610, 2857840, 3250793, 3715192, 4000976, 4643990, 5001220, 6501586, 7430384, 9287980, 10002440, 13003172, 16253965, 18575960, 20004880, 26006344, 32507930, 37151920, 52012688, 65015860, 130031720, 260063440]

約数ペア:

[(1, 260063440), (2, 130031720), (4, 65015860), (5, 52012688), (7, 37151920), (8, 32507930), (10, 26006344), (13, 20004880), (14, 18575960), (16, 16253965), (20, 13003172), (26, 10002440), (28, 9287980), (35, 7430384), (40, 6501586), (52, 5001220), (56, 4643990), (65, 4000976), (70, 3715192), (80, 3250793), (91, 2857840), (104, 2500610), (112, 2321995), (130, 2000488), (139, 1870960), (140, 1857596), (182, 1428920), (208, 1250305), (257, 1011920), (260, 1000244), (278, 935480), (280, 928798), (364, 714460), (455, 571568), (514, 505960), (520, 500122), (556, 467740), (560, 464399), (695, 374192), (728, 357230), (910, 285784), (973, 267280), (1028, 252980), (1040, 250061), (1112, 233870), (1285, 202384), (1390, 187096), (1456, 178615), (1799, 144560), (1807, 143920), (1820, 142892), (1946, 133640), (2056, 126490), (2224, 116935), (2570, 101192), (2780, 93548), (3341, 77840), (3598, 72280), (3614, 71960), (3640, 71446), (3892, 66820), (4112, 63245), (4865, 53456), (5140, 50596), (5560, 46774), (6682, 38920), (7196, 36140), (7228, 35980), (7280, 35723), (7784, 33410), (8995, 28912), (9035, 28784), (9730, 26728), (10280, 25298), (11120, 23387), (12649, 20560), (13364, 19460), (14392, 18070), (14456, 17990), (15568, 16705)]