2720316963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1051}}^1$

素因数の和:1592

約数の個数: 64

約数和(自身を含む): 4712960000

約数和(自身を除く): 1992643037

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 499, 741, 1051, 1497, 1729, 3153, 3493, 5187, 6487, 7357, 9481, 10479, 13663, 19461, 19969, 22071, 28443, 40989, 45409, 59907, 66367, 95641, 123253, 136227, 139783, 199101, 259597, 286923, 369759, 419349, 524449, 778791, 862771, 1573347, 1817179, 2588313, 3671143, 5451537, 6817837, 9964531, 11013429, 20453511, 29893593, 47724859, 69751717, 129538903, 143174577, 209255151, 388616709, 906772321, 2720316963]

約数ペア:

[(1, 2720316963), (3, 906772321), (7, 388616709), (13, 209255151), (19, 143174577), (21, 129538903), (39, 69751717), (57, 47724859), (91, 29893593), (133, 20453511), (247, 11013429), (273, 9964531), (399, 6817837), (499, 5451537), (741, 3671143), (1051, 2588313), (1497, 1817179), (1729, 1573347), (3153, 862771), (3493, 778791), (5187, 524449), (6487, 419349), (7357, 369759), (9481, 286923), (10479, 259597), (13663, 199101), (19461, 139783), (19969, 136227), (22071, 123253), (28443, 95641), (40989, 66367), (45409, 59907)]