511389540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66071}}^1$

素因数の和:66129

約数の個数: 72

約数和(自身を含む): 1587313728

約数和(自身を除く): 1075924188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 66071, 132142, 198213, 264284, 330355, 396426, 594639, 660710, 792852, 991065, 1189278, 1321420, 1982130, 2378556, 2841053, 2973195, 3964260, 5682106, 5946390, 8523159, 11364212, 11892780, 14205265, 17046318, 25569477, 28410530, 34092636, 42615795, 51138954, 56821060, 85231590, 102277908, 127847385, 170463180, 255694770, 511389540]

約数ペア:

[(1, 511389540), (2, 255694770), (3, 170463180), (4, 127847385), (5, 102277908), (6, 85231590), (9, 56821060), (10, 51138954), (12, 42615795), (15, 34092636), (18, 28410530), (20, 25569477), (30, 17046318), (36, 14205265), (43, 11892780), (45, 11364212), (60, 8523159), (86, 5946390), (90, 5682106), (129, 3964260), (172, 2973195), (180, 2841053), (215, 2378556), (258, 1982130), (387, 1321420), (430, 1189278), (516, 991065), (645, 792852), (774, 660710), (860, 594639), (1290, 396426), (1548, 330355), (1935, 264284), (2580, 198213), (3870, 132142), (7740, 66071)]