77591920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1091}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 207986688

約数和(自身を除く): 130394768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1091, 1270, 1778, 2032, 2182, 2540, 3556, 4364, 4445, 5080, 5455, 7112, 7637, 8728, 8890, 10160, 10910, 14224, 15274, 17456, 17780, 21820, 30548, 35560, 38185, 43640, 61096, 71120, 76370, 87280, 122192, 138557, 152740, 277114, 305480, 554228, 610960, 692785, 969899, 1108456, 1385570, 1939798, 2216912, 2771140, 3879596, 4849495, 5542280, 7759192, 9698990, 11084560, 15518384, 19397980, 38795960, 77591920]

約数ペア:

[(1, 77591920), (2, 38795960), (4, 19397980), (5, 15518384), (7, 11084560), (8, 9698990), (10, 7759192), (14, 5542280), (16, 4849495), (20, 3879596), (28, 2771140), (35, 2216912), (40, 1939798), (56, 1385570), (70, 1108456), (80, 969899), (112, 692785), (127, 610960), (140, 554228), (254, 305480), (280, 277114), (508, 152740), (560, 138557), (635, 122192), (889, 87280), (1016, 76370), (1091, 71120), (1270, 61096), (1778, 43640), (2032, 38185), (2182, 35560), (2540, 30548), (3556, 21820), (4364, 17780), (4445, 17456), (5080, 15274), (5455, 14224), (7112, 10910), (7637, 10160), (8728, 8890)]