16766680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 43467840

約数和(自身を除く): 26701160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 257, 280, 466, 514, 932, 1028, 1165, 1285, 1631, 1799, 1864, 2056, 2330, 2570, 3262, 3598, 4660, 5140, 6524, 7196, 8155, 8995, 9320, 10280, 13048, 14392, 16310, 17990, 32620, 35980, 59881, 65240, 71960, 119762, 239524, 299405, 419167, 479048, 598810, 838334, 1197620, 1676668, 2095835, 2395240, 3353336, 4191670, 8383340, 16766680]

約数ペア:

[(1, 16766680), (2, 8383340), (4, 4191670), (5, 3353336), (7, 2395240), (8, 2095835), (10, 1676668), (14, 1197620), (20, 838334), (28, 598810), (35, 479048), (40, 419167), (56, 299405), (70, 239524), (140, 119762), (233, 71960), (257, 65240), (280, 59881), (466, 35980), (514, 32620), (932, 17990), (1028, 16310), (1165, 14392), (1285, 13048), (1631, 10280), (1799, 9320), (1864, 8995), (2056, 8155), (2330, 7196), (2570, 6524), (3262, 5140), (3598, 4660)]