1279651760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{1237}}^1$

素因数の和:1510

約数の個数: 80

約数和(自身を含む): 3037695456

約数和(自身を除く): 1758043696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 193, 268, 335, 386, 536, 670, 772, 965, 1072, 1237, 1340, 1544, 1930, 2474, 2680, 3088, 3860, 4948, 5360, 6185, 7720, 9896, 12370, 12931, 15440, 19792, 24740, 25862, 49480, 51724, 64655, 82879, 98960, 103448, 129310, 165758, 206896, 238741, 258620, 331516, 414395, 477482, 517240, 663032, 828790, 954964, 1034480, 1193705, 1326064, 1657580, 1909928, 2387410, 3315160, 3819856, 4774820, 6630320, 9549640, 15995647, 19099280, 31991294, 63982588, 79978235, 127965176, 159956470, 255930352, 319912940, 639825880, 1279651760]

約数ペア:

[(1, 1279651760), (2, 639825880), (4, 319912940), (5, 255930352), (8, 159956470), (10, 127965176), (16, 79978235), (20, 63982588), (40, 31991294), (67, 19099280), (80, 15995647), (134, 9549640), (193, 6630320), (268, 4774820), (335, 3819856), (386, 3315160), (536, 2387410), (670, 1909928), (772, 1657580), (965, 1326064), (1072, 1193705), (1237, 1034480), (1340, 954964), (1544, 828790), (1930, 663032), (2474, 517240), (2680, 477482), (3088, 414395), (3860, 331516), (4948, 258620), (5360, 238741), (6185, 206896), (7720, 165758), (9896, 129310), (12370, 103448), (12931, 98960), (15440, 82879), (19792, 64655), (24740, 51724), (25862, 49480)]