256945392

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 160

約数和(自身を含む): 812448000

約数和(自身を除く): 555502608

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 132, 139, 144, 176, 198, 216, 264, 278, 297, 389, 396, 417, 432, 528, 556, 594, 778, 792, 834, 1112, 1167, 1188, 1251, 1529, 1556, 1584, 1668, 2224, 2334, 2376, 2502, 3058, 3112, 3336, 3501, 3753, 4279, 4587, 4668, 4752, 5004, 6116, 6224, 6672, 7002, 7506, 8558, 9174, 9336, 10008, 10503, 12232, 12837, 13761, 14004, 15012, 17116, 18348, 18672, 20016, 21006, 24464, 25674, 27522, 28008, 30024, 34232, 36696, 38511, 41283, 42012, 51348, 54071, 55044, 56016, 60048, 68464, 73392, 77022, 82566, 84024, 102696, 108142, 110088, 115533, 154044, 162213, 165132, 168048, 205392, 216284, 220176, 231066, 308088, 324426, 330264, 432568, 462132, 486639, 594781, 616176, 648852, 660528, 865136, 924264, 973278, 1189562, 1297704, 1459917, 1784343, 1848528, 1946556, 2379124, 2595408, 2919834, 3568686, 3893112, 4758248, 5353029, 5839668, 7137372, 7786224, 9516496, 10706058, 11679336, 14274744, 16059087, 21412116, 23358672, 28549488, 32118174, 42824232, 64236348, 85648464, 128472696, 256945392]

約数ペア:

[(1, 256945392), (2, 128472696), (3, 85648464), (4, 64236348), (6, 42824232), (8, 32118174), (9, 28549488), (11, 23358672), (12, 21412116), (16, 16059087), (18, 14274744), (22, 11679336), (24, 10706058), (27, 9516496), (33, 7786224), (36, 7137372), (44, 5839668), (48, 5353029), (54, 4758248), (66, 3893112), (72, 3568686), (88, 2919834), (99, 2595408), (108, 2379124), (132, 1946556), (139, 1848528), (144, 1784343), (176, 1459917), (198, 1297704), (216, 1189562), (264, 973278), (278, 924264), (297, 865136), (389, 660528), (396, 648852), (417, 616176), (432, 594781), (528, 486639), (556, 462132), (594, 432568), (778, 330264), (792, 324426), (834, 308088), (1112, 231066), (1167, 220176), (1188, 216284), (1251, 205392), (1529, 168048), (1556, 165132), (1584, 162213), (1668, 154044), (2224, 115533), (2334, 110088), (2376, 108142), (2502, 102696), (3058, 84024), (3112, 82566), (3336, 77022), (3501, 73392), (3753, 68464), (4279, 60048), (4587, 56016), (4668, 55044), (4752, 54071), (5004, 51348), (6116, 42012), (6224, 41283), (6672, 38511), (7002, 36696), (7506, 34232), (8558, 30024), (9174, 28008), (9336, 27522), (10008, 25674), (10503, 24464), (12232, 21006), (12837, 20016), (13761, 18672), (14004, 18348), (15012, 17116)]