280843840

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4903}}^1$

素因数の和:5099

約数の個数: 56

約数和(自身を含む): 672632640

約数和(自身を除く): 391788800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 716, 895, 1432, 1790, 2864, 3580, 4903, 5728, 7160, 9806, 11456, 14320, 19612, 24515, 28640, 39224, 49030, 57280, 78448, 98060, 156896, 196120, 313792, 392240, 784480, 877637, 1568960, 1755274, 3510548, 4388185, 7021096, 8776370, 14042192, 17552740, 28084384, 35105480, 56168768, 70210960, 140421920, 280843840]

約数ペア:

[(1, 280843840), (2, 140421920), (4, 70210960), (5, 56168768), (8, 35105480), (10, 28084384), (16, 17552740), (20, 14042192), (32, 8776370), (40, 7021096), (64, 4388185), (80, 3510548), (160, 1755274), (179, 1568960), (320, 877637), (358, 784480), (716, 392240), (895, 313792), (1432, 196120), (1790, 156896), (2864, 98060), (3580, 78448), (4903, 57280), (5728, 49030), (7160, 39224), (9806, 28640), (11456, 24515), (14320, 19612)]