168679980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{133873}}^1$

素因数の和:133895

約数の個数: 72

約数和(自身を含む): 584761632

約数和(自身を除く): 416081652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 133873, 267746, 401619, 535492, 669365, 803238, 937111, 1204857, 1338730, 1606476, 1874222, 2008095, 2409714, 2677460, 2811333, 3748444, 4016190, 4685555, 4819428, 5622666, 6024285, 8032380, 8433999, 9371110, 11245332, 12048570, 14056665, 16867998, 18742220, 24097140, 28113330, 33735996, 42169995, 56226660, 84339990, 168679980]

約数ペア:

[(1, 168679980), (2, 84339990), (3, 56226660), (4, 42169995), (5, 33735996), (6, 28113330), (7, 24097140), (9, 18742220), (10, 16867998), (12, 14056665), (14, 12048570), (15, 11245332), (18, 9371110), (20, 8433999), (21, 8032380), (28, 6024285), (30, 5622666), (35, 4819428), (36, 4685555), (42, 4016190), (45, 3748444), (60, 2811333), (63, 2677460), (70, 2409714), (84, 2008095), (90, 1874222), (105, 1606476), (126, 1338730), (140, 1204857), (180, 937111), (210, 803238), (252, 669365), (315, 535492), (420, 401619), (630, 267746), (1260, 133873)]