256725216

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 216

約数和(自身を含む): 823488120

約数和(自身を除く): 566762904

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 53, 66, 72, 88, 96, 99, 106, 121, 132, 139, 144, 159, 176, 198, 212, 242, 264, 278, 288, 318, 352, 363, 396, 417, 424, 477, 484, 528, 556, 583, 636, 726, 792, 834, 848, 954, 968, 1056, 1089, 1112, 1166, 1251, 1272, 1452, 1529, 1584, 1668, 1696, 1749, 1908, 1936, 2178, 2224, 2332, 2502, 2544, 2904, 3058, 3168, 3336, 3498, 3816, 3872, 4356, 4448, 4587, 4664, 5004, 5088, 5247, 5808, 6116, 6413, 6672, 6996, 7367, 7632, 8712, 9174, 9328, 10008, 10494, 11616, 12232, 12826, 13344, 13761, 13992, 14734, 15264, 16819, 17424, 18348, 18656, 19239, 20016, 20988, 22101, 24464, 25652, 27522, 27984, 29468, 33638, 34848, 36696, 38478, 40032, 41976, 44202, 48928, 50457, 51304, 55044, 55968, 57717, 58936, 66303, 67276, 73392, 76956, 81037, 83952, 88404, 100914, 102608, 110088, 115434, 117872, 132606, 134552, 146784, 151371, 153912, 162074, 167904, 176808, 201828, 205216, 220176, 230868, 235744, 243111, 265212, 269104, 302742, 307824, 324148, 353616, 403656, 440352, 461736, 486222, 530424, 538208, 605484, 615648, 648296, 707232, 729333, 807312, 891407, 923472, 972444, 1060848, 1210968, 1296592, 1458666, 1614624, 1782814, 1846944, 1944888, 2121696, 2421936, 2593184, 2674221, 2917332, 3565628, 3889776, 4843872, 5348442, 5834664, 7131256, 7779552, 8022663, 10696884, 11669328, 14262512, 16045326, 21393768, 23338656, 28525024, 32090652, 42787536, 64181304, 85575072, 128362608, 256725216]

約数ペア:

[(1, 256725216), (2, 128362608), (3, 85575072), (4, 64181304), (6, 42787536), (8, 32090652), (9, 28525024), (11, 23338656), (12, 21393768), (16, 16045326), (18, 14262512), (22, 11669328), (24, 10696884), (32, 8022663), (33, 7779552), (36, 7131256), (44, 5834664), (48, 5348442), (53, 4843872), (66, 3889776), (72, 3565628), (88, 2917332), (96, 2674221), (99, 2593184), (106, 2421936), (121, 2121696), (132, 1944888), (139, 1846944), (144, 1782814), (159, 1614624), (176, 1458666), (198, 1296592), (212, 1210968), (242, 1060848), (264, 972444), (278, 923472), (288, 891407), (318, 807312), (352, 729333), (363, 707232), (396, 648296), (417, 615648), (424, 605484), (477, 538208), (484, 530424), (528, 486222), (556, 461736), (583, 440352), (636, 403656), (726, 353616), (792, 324148), (834, 307824), (848, 302742), (954, 269104), (968, 265212), (1056, 243111), (1089, 235744), (1112, 230868), (1166, 220176), (1251, 205216), (1272, 201828), (1452, 176808), (1529, 167904), (1584, 162074), (1668, 153912), (1696, 151371), (1749, 146784), (1908, 134552), (1936, 132606), (2178, 117872), (2224, 115434), (2332, 110088), (2502, 102608), (2544, 100914), (2904, 88404), (3058, 83952), (3168, 81037), (3336, 76956), (3498, 73392), (3816, 67276), (3872, 66303), (4356, 58936), (4448, 57717), (4587, 55968), (4664, 55044), (5004, 51304), (5088, 50457), (5247, 48928), (5808, 44202), (6116, 41976), (6413, 40032), (6672, 38478), (6996, 36696), (7367, 34848), (7632, 33638), (8712, 29468), (9174, 27984), (9328, 27522), (10008, 25652), (10494, 24464), (11616, 22101), (12232, 20988), (12826, 20016), (13344, 19239), (13761, 18656), (13992, 18348), (14734, 17424), (15264, 16819)]