1680497964

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{1949}}^1$

素因数の和:2559

約数の個数: 72

約数和(自身を含む): 4356752400

約数和(自身を除く): 2676254436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 557, 774, 1114, 1548, 1671, 1949, 2228, 3342, 3898, 5013, 5847, 6684, 7796, 10026, 11694, 17541, 20052, 23388, 23951, 35082, 47902, 70164, 71853, 83807, 95804, 143706, 167614, 215559, 251421, 287412, 335228, 431118, 502842, 754263, 862236, 1005684, 1085593, 1508526, 2171186, 3017052, 3256779, 4342372, 6513558, 9770337, 13027116, 19540674, 39081348, 46680499, 93360998, 140041497, 186721996, 280082994, 420124491, 560165988, 840248982, 1680497964]

約数ペア:

[(1, 1680497964), (2, 840248982), (3, 560165988), (4, 420124491), (6, 280082994), (9, 186721996), (12, 140041497), (18, 93360998), (36, 46680499), (43, 39081348), (86, 19540674), (129, 13027116), (172, 9770337), (258, 6513558), (387, 4342372), (516, 3256779), (557, 3017052), (774, 2171186), (1114, 1508526), (1548, 1085593), (1671, 1005684), (1949, 862236), (2228, 754263), (3342, 502842), (3898, 431118), (5013, 335228), (5847, 287412), (6684, 251421), (7796, 215559), (10026, 167614), (11694, 143706), (17541, 95804), (20052, 83807), (23388, 71853), (23951, 70164), (35082, 47902)]