128939568

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 347001600

約数和(自身を除く): 218062032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 211, 232, 348, 422, 439, 464, 633, 696, 844, 878, 1266, 1317, 1392, 1688, 1756, 2532, 2634, 3376, 3512, 5064, 5268, 6119, 7024, 10128, 10536, 12238, 12731, 18357, 21072, 24476, 25462, 36714, 38193, 48952, 50924, 73428, 76386, 92629, 97904, 101848, 146856, 152772, 185258, 203696, 277887, 293712, 305544, 370516, 555774, 611088, 741032, 1111548, 1482064, 2223096, 2686241, 4446192, 5372482, 8058723, 10744964, 16117446, 21489928, 32234892, 42979856, 64469784, 128939568]

約数ペア:

[(1, 128939568), (2, 64469784), (3, 42979856), (4, 32234892), (6, 21489928), (8, 16117446), (12, 10744964), (16, 8058723), (24, 5372482), (29, 4446192), (48, 2686241), (58, 2223096), (87, 1482064), (116, 1111548), (174, 741032), (211, 611088), (232, 555774), (348, 370516), (422, 305544), (439, 293712), (464, 277887), (633, 203696), (696, 185258), (844, 152772), (878, 146856), (1266, 101848), (1317, 97904), (1392, 92629), (1688, 76386), (1756, 73428), (2532, 50924), (2634, 48952), (3376, 38193), (3512, 36714), (5064, 25462), (5268, 24476), (6119, 21072), (7024, 18357), (10128, 12731), (10536, 12238)]