1254780420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{486349}}^1$

素因数の和:486404

約数の個数: 48

約数和(自身を含む): 3595099200

約数和(自身を除く): 2340318780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 486349, 972698, 1459047, 1945396, 2431745, 2918094, 4863490, 5836188, 7295235, 9726980, 14590470, 20913007, 29180940, 41826014, 62739021, 83652028, 104565035, 125478042, 209130070, 250956084, 313695105, 418260140, 627390210, 1254780420]

約数ペア:

[(1, 1254780420), (2, 627390210), (3, 418260140), (4, 313695105), (5, 250956084), (6, 209130070), (10, 125478042), (12, 104565035), (15, 83652028), (20, 62739021), (30, 41826014), (43, 29180940), (60, 20913007), (86, 14590470), (129, 9726980), (172, 7295235), (215, 5836188), (258, 4863490), (430, 2918094), (516, 2431745), (645, 1945396), (860, 1459047), (1290, 972698), (2580, 486349)]