68369480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 158336640

約数和(自身を除く): 89967160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 97, 134, 194, 263, 268, 335, 388, 485, 526, 536, 670, 776, 970, 1052, 1315, 1340, 1940, 2104, 2630, 2680, 3880, 5260, 6499, 10520, 12998, 17621, 25511, 25996, 32495, 35242, 51022, 51992, 64990, 70484, 88105, 102044, 127555, 129980, 140968, 176210, 204088, 255110, 259960, 352420, 510220, 704840, 1020440, 1709237, 3418474, 6836948, 8546185, 13673896, 17092370, 34184740, 68369480]

約数ペア:

[(1, 68369480), (2, 34184740), (4, 17092370), (5, 13673896), (8, 8546185), (10, 6836948), (20, 3418474), (40, 1709237), (67, 1020440), (97, 704840), (134, 510220), (194, 352420), (263, 259960), (268, 255110), (335, 204088), (388, 176210), (485, 140968), (526, 129980), (536, 127555), (670, 102044), (776, 88105), (970, 70484), (1052, 64990), (1315, 51992), (1340, 51022), (1940, 35242), (2104, 32495), (2630, 25996), (2680, 25511), (3880, 17621), (5260, 12998), (6499, 10520)]