81406512

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:528

約数の個数: 160

約数和(自身を含む): 262364160

約数和(自身を除く): 180957648

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 37, 44, 48, 54, 66, 72, 74, 88, 99, 108, 111, 132, 144, 148, 176, 198, 216, 222, 264, 296, 297, 333, 396, 407, 432, 444, 463, 528, 592, 594, 666, 792, 814, 888, 926, 999, 1188, 1221, 1332, 1389, 1584, 1628, 1776, 1852, 1998, 2376, 2442, 2664, 2778, 3256, 3663, 3704, 3996, 4167, 4752, 4884, 5093, 5328, 5556, 6512, 7326, 7408, 7992, 8334, 9768, 10186, 10989, 11112, 12501, 14652, 15279, 15984, 16668, 17131, 19536, 20372, 21978, 22224, 25002, 29304, 30558, 33336, 34262, 40744, 43956, 45837, 50004, 51393, 58608, 61116, 66672, 68524, 81488, 87912, 91674, 100008, 102786, 122232, 137048, 137511, 154179, 175824, 183348, 188441, 200016, 205572, 244464, 274096, 275022, 308358, 366696, 376882, 411144, 462537, 550044, 565323, 616716, 733392, 753764, 822288, 925074, 1100088, 1130646, 1233432, 1507528, 1695969, 1850148, 2200176, 2261292, 2466864, 3015056, 3391938, 3700296, 4522584, 5087907, 6783876, 7400592, 9045168, 10175814, 13567752, 20351628, 27135504, 40703256, 81406512]

約数ペア:

[(1, 81406512), (2, 40703256), (3, 27135504), (4, 20351628), (6, 13567752), (8, 10175814), (9, 9045168), (11, 7400592), (12, 6783876), (16, 5087907), (18, 4522584), (22, 3700296), (24, 3391938), (27, 3015056), (33, 2466864), (36, 2261292), (37, 2200176), (44, 1850148), (48, 1695969), (54, 1507528), (66, 1233432), (72, 1130646), (74, 1100088), (88, 925074), (99, 822288), (108, 753764), (111, 733392), (132, 616716), (144, 565323), (148, 550044), (176, 462537), (198, 411144), (216, 376882), (222, 366696), (264, 308358), (296, 275022), (297, 274096), (333, 244464), (396, 205572), (407, 200016), (432, 188441), (444, 183348), (463, 175824), (528, 154179), (592, 137511), (594, 137048), (666, 122232), (792, 102786), (814, 100008), (888, 91674), (926, 87912), (999, 81488), (1188, 68524), (1221, 66672), (1332, 61116), (1389, 58608), (1584, 51393), (1628, 50004), (1776, 45837), (1852, 43956), (1998, 40744), (2376, 34262), (2442, 33336), (2664, 30558), (2778, 29304), (3256, 25002), (3663, 22224), (3704, 21978), (3996, 20372), (4167, 19536), (4752, 17131), (4884, 16668), (5093, 15984), (5328, 15279), (5556, 14652), (6512, 12501), (7326, 11112), (7408, 10989), (7992, 10186), (8334, 9768)]