28231650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 72

約数和(自身を含む): 77666160

約数和(自身を除く): 49434510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1290, 1459, 1935, 2150, 2918, 3225, 3870, 4377, 6450, 7295, 8754, 9675, 13131, 14590, 19350, 21885, 26262, 36475, 43770, 62737, 65655, 72950, 109425, 125474, 131310, 188211, 218850, 313685, 328275, 376422, 564633, 627370, 656550, 941055, 1129266, 1568425, 1882110, 2823165, 3136850, 4705275, 5646330, 9410550, 14115825, 28231650]

約数ペア:

[(1, 28231650), (2, 14115825), (3, 9410550), (5, 5646330), (6, 4705275), (9, 3136850), (10, 2823165), (15, 1882110), (18, 1568425), (25, 1129266), (30, 941055), (43, 656550), (45, 627370), (50, 564633), (75, 376422), (86, 328275), (90, 313685), (129, 218850), (150, 188211), (215, 131310), (225, 125474), (258, 109425), (387, 72950), (430, 65655), (450, 62737), (645, 43770), (774, 36475), (1075, 26262), (1290, 21885), (1459, 19350), (1935, 14590), (2150, 13131), (2918, 9675), (3225, 8754), (3870, 7295), (4377, 6450)]