1680168800

素因数分解:

$2^5\times 5^2\times {\mathrm{389}}^1\times {\mathrm{5399}}^1$

素因数の和:5808

約数の個数: 72

約数和(自身を含む): 4113018000

約数和(自身を除く): 2432849200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 389, 400, 778, 800, 1556, 1945, 3112, 3890, 5399, 6224, 7780, 9725, 10798, 12448, 15560, 19450, 21596, 26995, 31120, 38900, 43192, 53990, 62240, 77800, 86384, 107980, 134975, 155600, 172768, 215960, 269950, 311200, 431920, 539900, 863840, 1079800, 2100211, 2159600, 4200422, 4319200, 8400844, 10501055, 16801688, 21002110, 33603376, 42004220, 52505275, 67206752, 84008440, 105010550, 168016880, 210021100, 336033760, 420042200, 840084400, 1680168800]

約数ペア:

[(1, 1680168800), (2, 840084400), (4, 420042200), (5, 336033760), (8, 210021100), (10, 168016880), (16, 105010550), (20, 84008440), (25, 67206752), (32, 52505275), (40, 42004220), (50, 33603376), (80, 21002110), (100, 16801688), (160, 10501055), (200, 8400844), (389, 4319200), (400, 4200422), (778, 2159600), (800, 2100211), (1556, 1079800), (1945, 863840), (3112, 539900), (3890, 431920), (5399, 311200), (6224, 269950), (7780, 215960), (9725, 172768), (10798, 155600), (12448, 134975), (15560, 107980), (19450, 86384), (21596, 77800), (26995, 62240), (31120, 53990), (38900, 43192)]