77231240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 183029760

約数和(自身を除く): 105798520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 127, 184, 230, 254, 460, 508, 635, 661, 920, 1016, 1270, 1322, 2540, 2644, 2921, 3305, 5080, 5288, 5842, 6610, 11684, 13220, 14605, 15203, 23368, 26440, 29210, 30406, 58420, 60812, 76015, 83947, 116840, 121624, 152030, 167894, 304060, 335788, 419735, 608120, 671576, 839470, 1678940, 1930781, 3357880, 3861562, 7723124, 9653905, 15446248, 19307810, 38615620, 77231240]

約数ペア:

[(1, 77231240), (2, 38615620), (4, 19307810), (5, 15446248), (8, 9653905), (10, 7723124), (20, 3861562), (23, 3357880), (40, 1930781), (46, 1678940), (92, 839470), (115, 671576), (127, 608120), (184, 419735), (230, 335788), (254, 304060), (460, 167894), (508, 152030), (635, 121624), (661, 116840), (920, 83947), (1016, 76015), (1270, 60812), (1322, 58420), (2540, 30406), (2644, 29210), (2921, 26440), (3305, 23368), (5080, 15203), (5288, 14605), (5842, 13220), (6610, 11684)]