128728848

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 343728000

約数和(自身を除く): 214999152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 149, 164, 246, 298, 328, 439, 447, 492, 596, 656, 878, 894, 984, 1192, 1317, 1756, 1788, 1968, 2384, 2634, 3512, 3576, 5268, 6109, 7024, 7152, 10536, 12218, 17999, 18327, 21072, 24436, 35998, 36654, 48872, 53997, 65411, 71996, 73308, 97744, 107994, 130822, 143992, 146616, 196233, 215988, 261644, 287984, 293232, 392466, 431976, 523288, 784932, 863952, 1046576, 1569864, 2681851, 3139728, 5363702, 8045553, 10727404, 16091106, 21454808, 32182212, 42909616, 64364424, 128728848]

約数ペア:

[(1, 128728848), (2, 64364424), (3, 42909616), (4, 32182212), (6, 21454808), (8, 16091106), (12, 10727404), (16, 8045553), (24, 5363702), (41, 3139728), (48, 2681851), (82, 1569864), (123, 1046576), (149, 863952), (164, 784932), (246, 523288), (298, 431976), (328, 392466), (439, 293232), (447, 287984), (492, 261644), (596, 215988), (656, 196233), (878, 146616), (894, 143992), (984, 130822), (1192, 107994), (1317, 97744), (1756, 73308), (1788, 71996), (1968, 65411), (2384, 53997), (2634, 48872), (3512, 36654), (3576, 35998), (5268, 24436), (6109, 21072), (7024, 18327), (7152, 17999), (10536, 12218)]