81640944

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 294028800

約数和(自身を除く): 212387856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 37, 42, 44, 48, 56, 63, 66, 72, 74, 77, 84, 88, 99, 111, 112, 126, 132, 144, 148, 154, 168, 176, 198, 199, 222, 231, 252, 259, 264, 296, 308, 333, 336, 396, 398, 407, 444, 462, 504, 518, 528, 592, 597, 616, 666, 693, 777, 792, 796, 814, 888, 924, 1008, 1036, 1194, 1221, 1232, 1332, 1386, 1393, 1554, 1584, 1592, 1628, 1776, 1791, 1848, 2072, 2189, 2331, 2388, 2442, 2664, 2772, 2786, 2849, 3108, 3184, 3256, 3582, 3663, 3696, 4144, 4179, 4378, 4662, 4776, 4884, 5328, 5544, 5572, 5698, 6216, 6512, 6567, 7164, 7326, 7363, 8358, 8547, 8756, 9324, 9552, 9768, 11088, 11144, 11396, 12432, 12537, 13134, 14328, 14652, 14726, 15323, 16716, 17094, 17512, 18648, 19536, 19701, 22089, 22288, 22792, 25074, 25641, 26268, 28656, 29304, 29452, 30646, 33432, 34188, 35024, 37296, 39402, 44178, 45584, 45969, 50148, 51282, 51541, 52536, 58608, 58904, 61292, 66267, 66864, 68376, 78804, 80993, 88356, 91938, 100296, 102564, 103082, 105072, 117808, 122584, 132534, 136752, 137907, 154623, 157608, 161986, 176712, 183876, 200592, 205128, 206164, 242979, 245168, 265068, 275814, 309246, 315216, 323972, 353424, 367752, 410256, 412328, 463869, 485958, 530136, 551628, 566951, 618492, 647944, 728937, 735504, 824656, 927738, 971916, 1060272, 1103256, 1133902, 1236984, 1295888, 1457874, 1700853, 1855476, 1943832, 2206512, 2267804, 2473968, 2915748, 3401706, 3710952, 3887664, 4535608, 5102559, 5831496, 6803412, 7421904, 9071216, 10205118, 11662992, 13606824, 20410236, 27213648, 40820472, 81640944]

約数ペア:

[(1, 81640944), (2, 40820472), (3, 27213648), (4, 20410236), (6, 13606824), (7, 11662992), (8, 10205118), (9, 9071216), (11, 7421904), (12, 6803412), (14, 5831496), (16, 5102559), (18, 4535608), (21, 3887664), (22, 3710952), (24, 3401706), (28, 2915748), (33, 2473968), (36, 2267804), (37, 2206512), (42, 1943832), (44, 1855476), (48, 1700853), (56, 1457874), (63, 1295888), (66, 1236984), (72, 1133902), (74, 1103256), (77, 1060272), (84, 971916), (88, 927738), (99, 824656), (111, 735504), (112, 728937), (126, 647944), (132, 618492), (144, 566951), (148, 551628), (154, 530136), (168, 485958), (176, 463869), (198, 412328), (199, 410256), (222, 367752), (231, 353424), (252, 323972), (259, 315216), (264, 309246), (296, 275814), (308, 265068), (333, 245168), (336, 242979), (396, 206164), (398, 205128), (407, 200592), (444, 183876), (462, 176712), (504, 161986), (518, 157608), (528, 154623), (592, 137907), (597, 136752), (616, 132534), (666, 122584), (693, 117808), (777, 105072), (792, 103082), (796, 102564), (814, 100296), (888, 91938), (924, 88356), (1008, 80993), (1036, 78804), (1194, 68376), (1221, 66864), (1232, 66267), (1332, 61292), (1386, 58904), (1393, 58608), (1554, 52536), (1584, 51541), (1592, 51282), (1628, 50148), (1776, 45969), (1791, 45584), (1848, 44178), (2072, 39402), (2189, 37296), (2331, 35024), (2388, 34188), (2442, 33432), (2664, 30646), (2772, 29452), (2786, 29304), (2849, 28656), (3108, 26268), (3184, 25641), (3256, 25074), (3582, 22792), (3663, 22288), (3696, 22089), (4144, 19701), (4179, 19536), (4378, 18648), (4662, 17512), (4776, 17094), (4884, 16716), (5328, 15323), (5544, 14726), (5572, 14652), (5698, 14328), (6216, 13134), (6512, 12537), (6567, 12432), (7164, 11396), (7326, 11144), (7363, 11088), (8358, 9768), (8547, 9552), (8756, 9324)]