278888544

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 216

約数和(自身を含む): 894072816

約数和(自身を除く): 615184272

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, 144, 151, 159, 176, 198, 212, 242, 264, 288, 302, 318, 352, 363, 396, 424, 453, 477, 484, 528, 583, 604, 636, 726, 792, 848, 906, 954, 968, 1056, 1089, 1166, 1208, 1272, 1359, 1452, 1584, 1661, 1696, 1749, 1812, 1908, 1936, 2178, 2332, 2416, 2544, 2718, 2904, 3168, 3322, 3498, 3624, 3816, 3872, 4356, 4664, 4832, 4983, 5088, 5247, 5436, 5808, 6413, 6644, 6996, 7248, 7632, 8003, 8712, 9328, 9966, 10494, 10872, 11616, 12826, 13288, 13992, 14496, 14949, 15264, 16006, 17424, 18271, 18656, 19239, 19932, 20988, 21744, 24009, 25652, 26576, 27984, 29898, 32012, 34848, 36542, 38478, 39864, 41976, 43488, 48018, 51304, 53152, 54813, 55968, 57717, 59796, 64024, 72027, 73084, 76956, 79728, 83952, 88033, 96036, 102608, 109626, 115434, 119592, 128048, 144054, 146168, 153912, 159456, 164439, 167904, 176066, 192072, 205216, 219252, 230868, 239184, 256096, 264099, 288108, 292336, 307824, 328878, 352132, 384144, 438504, 461736, 478368, 528198, 576216, 584672, 615648, 657756, 704264, 768288, 792297, 877008, 923472, 968363, 1056396, 1152432, 1315512, 1408528, 1584594, 1754016, 1846944, 1936726, 2112792, 2304864, 2631024, 2817056, 2905089, 3169188, 3873452, 4225584, 5262048, 5810178, 6338376, 7746904, 8451168, 8715267, 11620356, 12676752, 15493808, 17430534, 23240712, 25353504, 30987616, 34861068, 46481424, 69722136, 92962848, 139444272, 278888544]

約数ペア:

[(1, 278888544), (2, 139444272), (3, 92962848), (4, 69722136), (6, 46481424), (8, 34861068), (9, 30987616), (11, 25353504), (12, 23240712), (16, 17430534), (18, 15493808), (22, 12676752), (24, 11620356), (32, 8715267), (33, 8451168), (36, 7746904), (44, 6338376), (48, 5810178), (53, 5262048), (66, 4225584), (72, 3873452), (88, 3169188), (96, 2905089), (99, 2817056), (106, 2631024), (121, 2304864), (132, 2112792), (144, 1936726), (151, 1846944), (159, 1754016), (176, 1584594), (198, 1408528), (212, 1315512), (242, 1152432), (264, 1056396), (288, 968363), (302, 923472), (318, 877008), (352, 792297), (363, 768288), (396, 704264), (424, 657756), (453, 615648), (477, 584672), (484, 576216), (528, 528198), (583, 478368), (604, 461736), (636, 438504), (726, 384144), (792, 352132), (848, 328878), (906, 307824), (954, 292336), (968, 288108), (1056, 264099), (1089, 256096), (1166, 239184), (1208, 230868), (1272, 219252), (1359, 205216), (1452, 192072), (1584, 176066), (1661, 167904), (1696, 164439), (1749, 159456), (1812, 153912), (1908, 146168), (1936, 144054), (2178, 128048), (2332, 119592), (2416, 115434), (2544, 109626), (2718, 102608), (2904, 96036), (3168, 88033), (3322, 83952), (3498, 79728), (3624, 76956), (3816, 73084), (3872, 72027), (4356, 64024), (4664, 59796), (4832, 57717), (4983, 55968), (5088, 54813), (5247, 53152), (5436, 51304), (5808, 48018), (6413, 43488), (6644, 41976), (6996, 39864), (7248, 38478), (7632, 36542), (8003, 34848), (8712, 32012), (9328, 29898), (9966, 27984), (10494, 26576), (10872, 25652), (11616, 24009), (12826, 21744), (13288, 20988), (13992, 19932), (14496, 19239), (14949, 18656), (15264, 18271), (16006, 17424)]