261719208

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 766080000

約数和(自身を除く): 504360792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 139, 184, 207, 216, 276, 278, 379, 414, 417, 552, 556, 621, 758, 828, 834, 1112, 1137, 1242, 1251, 1516, 1656, 1668, 2274, 2484, 2502, 3032, 3197, 3336, 3411, 3753, 4548, 4968, 5004, 6394, 6822, 7506, 8717, 9096, 9591, 10008, 10233, 12788, 13644, 15012, 17434, 19182, 20466, 25576, 26151, 27288, 28773, 30024, 34868, 38364, 40932, 52302, 52681, 57546, 69736, 76728, 78453, 81864, 86319, 104604, 105362, 115092, 156906, 158043, 172638, 209208, 210724, 230184, 235359, 313812, 316086, 345276, 421448, 470718, 474129, 627624, 632172, 690552, 941436, 948258, 1211663, 1264344, 1422387, 1882872, 1896516, 2423326, 2844774, 3634989, 3793032, 4846652, 5689548, 7269978, 9693304, 10904967, 11379096, 14539956, 21809934, 29079912, 32714901, 43619868, 65429802, 87239736, 130859604, 261719208]

約数ペア:

[(1, 261719208), (2, 130859604), (3, 87239736), (4, 65429802), (6, 43619868), (8, 32714901), (9, 29079912), (12, 21809934), (18, 14539956), (23, 11379096), (24, 10904967), (27, 9693304), (36, 7269978), (46, 5689548), (54, 4846652), (69, 3793032), (72, 3634989), (92, 2844774), (108, 2423326), (138, 1896516), (139, 1882872), (184, 1422387), (207, 1264344), (216, 1211663), (276, 948258), (278, 941436), (379, 690552), (414, 632172), (417, 627624), (552, 474129), (556, 470718), (621, 421448), (758, 345276), (828, 316086), (834, 313812), (1112, 235359), (1137, 230184), (1242, 210724), (1251, 209208), (1516, 172638), (1656, 158043), (1668, 156906), (2274, 115092), (2484, 105362), (2502, 104604), (3032, 86319), (3197, 81864), (3336, 78453), (3411, 76728), (3753, 69736), (4548, 57546), (4968, 52681), (5004, 52302), (6394, 40932), (6822, 38364), (7506, 34868), (8717, 30024), (9096, 28773), (9591, 27288), (10008, 26151), (10233, 25576), (12788, 20466), (13644, 19182), (15012, 17434)]