128781468

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 355622400

約数和(自身を除く): 226840932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 97, 108, 114, 171, 194, 228, 291, 342, 388, 513, 582, 647, 684, 873, 1026, 1164, 1294, 1746, 1843, 1941, 2052, 2588, 2619, 3492, 3686, 3882, 5238, 5529, 5823, 7372, 7764, 10476, 11058, 11646, 12293, 16587, 17469, 22116, 23292, 24586, 33174, 34938, 36879, 49172, 49761, 62759, 66348, 69876, 73758, 99522, 110637, 125518, 147516, 188277, 199044, 221274, 251036, 331911, 376554, 442548, 564831, 663822, 753108, 1129662, 1192421, 1327644, 1694493, 2259324, 2384842, 3388986, 3577263, 4769684, 6777972, 7154526, 10731789, 14309052, 21463578, 32195367, 42927156, 64390734, 128781468]

約数ペア:

[(1, 128781468), (2, 64390734), (3, 42927156), (4, 32195367), (6, 21463578), (9, 14309052), (12, 10731789), (18, 7154526), (19, 6777972), (27, 4769684), (36, 3577263), (38, 3388986), (54, 2384842), (57, 2259324), (76, 1694493), (97, 1327644), (108, 1192421), (114, 1129662), (171, 753108), (194, 663822), (228, 564831), (291, 442548), (342, 376554), (388, 331911), (513, 251036), (582, 221274), (647, 199044), (684, 188277), (873, 147516), (1026, 125518), (1164, 110637), (1294, 99522), (1746, 73758), (1843, 69876), (1941, 66348), (2052, 62759), (2588, 49761), (2619, 49172), (3492, 36879), (3686, 34938), (3882, 33174), (5238, 24586), (5529, 23292), (5823, 22116), (7372, 17469), (7764, 16587), (10476, 12293), (11058, 11646)]