72777328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 158878720

約数和(自身を除く): 86101392

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 79, 86, 103, 104, 158, 172, 206, 208, 316, 344, 412, 559, 632, 688, 824, 1027, 1118, 1264, 1339, 1648, 2054, 2236, 2678, 3397, 4108, 4429, 4472, 5356, 6794, 8137, 8216, 8858, 8944, 10712, 13588, 16274, 16432, 17716, 21424, 27176, 32548, 35432, 44161, 54352, 57577, 65096, 70864, 88322, 105781, 115154, 130192, 176644, 211562, 230308, 349891, 353288, 423124, 460616, 699782, 706576, 846248, 921232, 1399564, 1692496, 2799128, 4548583, 5598256, 9097166, 18194332, 36388664, 72777328]

約数ペア:

[(1, 72777328), (2, 36388664), (4, 18194332), (8, 9097166), (13, 5598256), (16, 4548583), (26, 2799128), (43, 1692496), (52, 1399564), (79, 921232), (86, 846248), (103, 706576), (104, 699782), (158, 460616), (172, 423124), (206, 353288), (208, 349891), (316, 230308), (344, 211562), (412, 176644), (559, 130192), (632, 115154), (688, 105781), (824, 88322), (1027, 70864), (1118, 65096), (1264, 57577), (1339, 54352), (1648, 44161), (2054, 35432), (2236, 32548), (2678, 27176), (3397, 21424), (4108, 17716), (4429, 16432), (4472, 16274), (5356, 13588), (6794, 10712), (8137, 8944), (8216, 8858)]