68338728

素因数分解:

$2^3\times 3^4\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 192883680

約数和(自身を除く): 124544952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 163, 216, 324, 326, 489, 647, 648, 652, 978, 1294, 1304, 1467, 1941, 1956, 2588, 2934, 3882, 3912, 4401, 5176, 5823, 5868, 7764, 8802, 11646, 11736, 13203, 15528, 17469, 17604, 23292, 26406, 34938, 35208, 46584, 52407, 52812, 69876, 104814, 105461, 105624, 139752, 209628, 210922, 316383, 419256, 421844, 632766, 843688, 949149, 1265532, 1898298, 2531064, 2847447, 3796596, 5694894, 7593192, 8542341, 11389788, 17084682, 22779576, 34169364, 68338728]

約数ペア:

[(1, 68338728), (2, 34169364), (3, 22779576), (4, 17084682), (6, 11389788), (8, 8542341), (9, 7593192), (12, 5694894), (18, 3796596), (24, 2847447), (27, 2531064), (36, 1898298), (54, 1265532), (72, 949149), (81, 843688), (108, 632766), (162, 421844), (163, 419256), (216, 316383), (324, 210922), (326, 209628), (489, 139752), (647, 105624), (648, 105461), (652, 104814), (978, 69876), (1294, 52812), (1304, 52407), (1467, 46584), (1941, 35208), (1956, 34938), (2588, 26406), (2934, 23292), (3882, 17604), (3912, 17469), (4401, 15528), (5176, 13203), (5823, 11736), (5868, 11646), (7764, 8802)]