2017477840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{3191}}^1$

素因数の和:4340

約数の個数: 80

約数和(自身を含む): 5367156480

約数和(自身を除く): 3349678640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1129, 2258, 3191, 4516, 5645, 6382, 7903, 9032, 11290, 12764, 15806, 15955, 18064, 22337, 22580, 25528, 31612, 31910, 39515, 44674, 45160, 51056, 63224, 63820, 79030, 89348, 90320, 111685, 126448, 127640, 158060, 178696, 223370, 255280, 316120, 357392, 446740, 632240, 893480, 1786960, 3602639, 7205278, 14410556, 18013195, 25218473, 28821112, 36026390, 50436946, 57642224, 72052780, 100873892, 126092365, 144105560, 201747784, 252184730, 288211120, 403495568, 504369460, 1008738920, 2017477840]

約数ペア:

[(1, 2017477840), (2, 1008738920), (4, 504369460), (5, 403495568), (7, 288211120), (8, 252184730), (10, 201747784), (14, 144105560), (16, 126092365), (20, 100873892), (28, 72052780), (35, 57642224), (40, 50436946), (56, 36026390), (70, 28821112), (80, 25218473), (112, 18013195), (140, 14410556), (280, 7205278), (560, 3602639), (1129, 1786960), (2258, 893480), (3191, 632240), (4516, 446740), (5645, 357392), (6382, 316120), (7903, 255280), (9032, 223370), (11290, 178696), (12764, 158060), (15806, 127640), (15955, 126448), (18064, 111685), (22337, 90320), (22580, 89348), (25528, 79030), (31612, 63820), (31910, 63224), (39515, 51056), (44674, 45160)]