128641716

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:930

約数の個数: 96

約数和(自身を含む): 383201280

約数和(自身を除く): 254559564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 263, 378, 526, 647, 756, 789, 1052, 1294, 1578, 1841, 1941, 2367, 2588, 3156, 3682, 3882, 4529, 4734, 5523, 5823, 7101, 7364, 7764, 9058, 9468, 11046, 11646, 13587, 14202, 16569, 17469, 18116, 22092, 23292, 27174, 28404, 33138, 34938, 40761, 49707, 54348, 66276, 69876, 81522, 99414, 122283, 163044, 170161, 198828, 244566, 340322, 489132, 510483, 680644, 1020966, 1191127, 1531449, 2041932, 2382254, 3062898, 3573381, 4594347, 4764508, 6125796, 7146762, 9188694, 10720143, 14293524, 18377388, 21440286, 32160429, 42880572, 64320858, 128641716]

約数ペア:

[(1, 128641716), (2, 64320858), (3, 42880572), (4, 32160429), (6, 21440286), (7, 18377388), (9, 14293524), (12, 10720143), (14, 9188694), (18, 7146762), (21, 6125796), (27, 4764508), (28, 4594347), (36, 3573381), (42, 3062898), (54, 2382254), (63, 2041932), (84, 1531449), (108, 1191127), (126, 1020966), (189, 680644), (252, 510483), (263, 489132), (378, 340322), (526, 244566), (647, 198828), (756, 170161), (789, 163044), (1052, 122283), (1294, 99414), (1578, 81522), (1841, 69876), (1941, 66276), (2367, 54348), (2588, 49707), (3156, 40761), (3682, 34938), (3882, 33138), (4529, 28404), (4734, 27174), (5523, 23292), (5823, 22092), (7101, 18116), (7364, 17469), (7764, 16569), (9058, 14202), (9468, 13587), (11046, 11646)]