261514656

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 216

約数和(自身を含む): 839311200

約数和(自身を除く): 577796544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 169, 199, 208, 216, 234, 243, 288, 312, 324, 338, 351, 398, 416, 432, 468, 486, 507, 597, 624, 648, 676, 702, 796, 864, 936, 972, 1014, 1053, 1194, 1248, 1296, 1352, 1404, 1521, 1592, 1791, 1872, 1944, 2028, 2106, 2388, 2587, 2592, 2704, 2808, 3042, 3159, 3184, 3582, 3744, 3888, 4056, 4212, 4563, 4776, 5174, 5373, 5408, 5616, 6084, 6318, 6368, 7164, 7761, 7776, 8112, 8424, 9126, 9552, 10348, 10746, 11232, 12168, 12636, 13689, 14328, 15522, 16119, 16224, 16848, 18252, 19104, 20696, 21492, 23283, 24336, 25272, 27378, 28656, 31044, 32238, 33631, 33696, 36504, 41067, 41392, 42984, 46566, 48357, 48672, 50544, 54756, 57312, 62088, 64476, 67262, 69849, 73008, 82134, 82784, 85968, 93132, 96714, 100893, 101088, 109512, 124176, 128952, 134524, 139698, 146016, 164268, 171936, 186264, 193428, 201786, 209547, 219024, 248352, 257904, 269048, 279396, 302679, 328536, 372528, 386856, 403572, 419094, 438048, 515808, 538096, 558792, 605358, 628641, 657072, 745056, 773712, 807144, 838188, 908037, 1076192, 1117584, 1210716, 1257282, 1314144, 1547424, 1614288, 1676376, 1816074, 2235168, 2421432, 2514564, 2724111, 3228576, 3352752, 3632148, 4842864, 5029128, 5448222, 6705504, 7264296, 8172333, 9685728, 10058256, 10896444, 14528592, 16344666, 20116512, 21792888, 29057184, 32689332, 43585776, 65378664, 87171552, 130757328, 261514656]

約数ペア:

[(1, 261514656), (2, 130757328), (3, 87171552), (4, 65378664), (6, 43585776), (8, 32689332), (9, 29057184), (12, 21792888), (13, 20116512), (16, 16344666), (18, 14528592), (24, 10896444), (26, 10058256), (27, 9685728), (32, 8172333), (36, 7264296), (39, 6705504), (48, 5448222), (52, 5029128), (54, 4842864), (72, 3632148), (78, 3352752), (81, 3228576), (96, 2724111), (104, 2514564), (108, 2421432), (117, 2235168), (144, 1816074), (156, 1676376), (162, 1614288), (169, 1547424), (199, 1314144), (208, 1257282), (216, 1210716), (234, 1117584), (243, 1076192), (288, 908037), (312, 838188), (324, 807144), (338, 773712), (351, 745056), (398, 657072), (416, 628641), (432, 605358), (468, 558792), (486, 538096), (507, 515808), (597, 438048), (624, 419094), (648, 403572), (676, 386856), (702, 372528), (796, 328536), (864, 302679), (936, 279396), (972, 269048), (1014, 257904), (1053, 248352), (1194, 219024), (1248, 209547), (1296, 201786), (1352, 193428), (1404, 186264), (1521, 171936), (1592, 164268), (1791, 146016), (1872, 139698), (1944, 134524), (2028, 128952), (2106, 124176), (2388, 109512), (2587, 101088), (2592, 100893), (2704, 96714), (2808, 93132), (3042, 85968), (3159, 82784), (3184, 82134), (3582, 73008), (3744, 69849), (3888, 67262), (4056, 64476), (4212, 62088), (4563, 57312), (4776, 54756), (5174, 50544), (5373, 48672), (5408, 48357), (5616, 46566), (6084, 42984), (6318, 41392), (6368, 41067), (7164, 36504), (7761, 33696), (7776, 33631), (8112, 32238), (8424, 31044), (9126, 28656), (9552, 27378), (10348, 25272), (10746, 24336), (11232, 23283), (12168, 21492), (12636, 20696), (13689, 19104), (14328, 18252), (15522, 16848), (16119, 16224)]