128513840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 373309440

約数和(自身を除く): 244795600

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, 127, 130, 139, 140, 182, 208, 254, 260, 278, 280, 364, 455, 508, 520, 556, 560, 635, 695, 728, 889, 910, 973, 1016, 1040, 1112, 1270, 1390, 1456, 1651, 1778, 1807, 1820, 1946, 2032, 2224, 2540, 2780, 3302, 3556, 3614, 3640, 3892, 4445, 4865, 5080, 5560, 6604, 7112, 7228, 7280, 7784, 8255, 8890, 9035, 9730, 10160, 11120, 11557, 12649, 13208, 14224, 14456, 15568, 16510, 17653, 17780, 18070, 19460, 23114, 25298, 26416, 28912, 33020, 35306, 35560, 36140, 38920, 46228, 50596, 57785, 63245, 66040, 70612, 71120, 72280, 77840, 88265, 92456, 101192, 115570, 123571, 126490, 132080, 141224, 144560, 176530, 184912, 202384, 229489, 231140, 247142, 252980, 282448, 353060, 458978, 462280, 494284, 505960, 617855, 706120, 917956, 924560, 988568, 1011920, 1147445, 1235710, 1412240, 1606423, 1835912, 1977136, 2294890, 2471420, 3212846, 3671824, 4589780, 4942840, 6425692, 8032115, 9179560, 9885680, 12851384, 16064230, 18359120, 25702768, 32128460, 64256920, 128513840]

約数ペア:

[(1, 128513840), (2, 64256920), (4, 32128460), (5, 25702768), (7, 18359120), (8, 16064230), (10, 12851384), (13, 9885680), (14, 9179560), (16, 8032115), (20, 6425692), (26, 4942840), (28, 4589780), (35, 3671824), (40, 3212846), (52, 2471420), (56, 2294890), (65, 1977136), (70, 1835912), (80, 1606423), (91, 1412240), (104, 1235710), (112, 1147445), (127, 1011920), (130, 988568), (139, 924560), (140, 917956), (182, 706120), (208, 617855), (254, 505960), (260, 494284), (278, 462280), (280, 458978), (364, 353060), (455, 282448), (508, 252980), (520, 247142), (556, 231140), (560, 229489), (635, 202384), (695, 184912), (728, 176530), (889, 144560), (910, 141224), (973, 132080), (1016, 126490), (1040, 123571), (1112, 115570), (1270, 101192), (1390, 92456), (1456, 88265), (1651, 77840), (1778, 72280), (1807, 71120), (1820, 70612), (1946, 66040), (2032, 63245), (2224, 57785), (2540, 50596), (2780, 46228), (3302, 38920), (3556, 36140), (3614, 35560), (3640, 35306), (3892, 33020), (4445, 28912), (4865, 26416), (5080, 25298), (5560, 23114), (6604, 19460), (7112, 18070), (7228, 17780), (7280, 17653), (7784, 16510), (8255, 15568), (8890, 14456), (9035, 14224), (9730, 13208), (10160, 12649), (11120, 11557)]