256543056

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1410

約数の個数: 240

約数和(自身を含む): 948475008

約数和(自身を除く): 691931952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 17, 18, 21, 22, 24, 28, 33, 34, 36, 42, 44, 48, 51, 56, 63, 66, 68, 72, 77, 84, 88, 99, 102, 112, 119, 126, 132, 136, 144, 153, 154, 168, 176, 187, 198, 204, 231, 238, 252, 264, 272, 306, 308, 336, 357, 374, 396, 408, 462, 476, 504, 528, 561, 612, 616, 693, 714, 748, 792, 816, 924, 952, 1008, 1071, 1122, 1224, 1232, 1309, 1361, 1386, 1428, 1496, 1584, 1683, 1848, 1904, 2142, 2244, 2448, 2618, 2722, 2772, 2856, 2992, 3366, 3696, 3927, 4083, 4284, 4488, 5236, 5444, 5544, 5712, 6732, 7854, 8166, 8568, 8976, 9527, 10472, 10888, 11088, 11781, 12249, 13464, 14971, 15708, 16332, 17136, 19054, 20944, 21776, 23137, 23562, 24498, 26928, 28581, 29942, 31416, 32664, 38108, 44913, 46274, 47124, 48996, 57162, 59884, 62832, 65328, 69411, 76216, 85743, 89826, 92548, 94248, 97992, 104797, 114324, 119768, 134739, 138822, 152432, 161959, 171486, 179652, 185096, 188496, 195984, 208233, 209594, 228648, 239536, 254507, 269478, 277644, 314391, 323918, 342972, 359304, 370192, 416466, 419188, 457296, 485877, 509014, 538956, 555288, 628782, 647836, 685944, 718608, 763521, 832932, 838376, 943173, 971754, 1018028, 1077912, 1110576, 1257564, 1295672, 1371888, 1457631, 1527042, 1665864, 1676752, 1781549, 1886346, 1943508, 2036056, 2155824, 2290563, 2515128, 2591344, 2915262, 3054084, 3331728, 3563098, 3772692, 3887016, 4072112, 4581126, 5030256, 5344647, 5830524, 6108168, 7126196, 7545384, 7774032, 9162252, 10689294, 11661048, 12216336, 14252392, 15090768, 16033941, 18324504, 21378588, 23322096, 28504784, 32067882, 36649008, 42757176, 64135764, 85514352, 128271528, 256543056]

約数ペア:

[(1, 256543056), (2, 128271528), (3, 85514352), (4, 64135764), (6, 42757176), (7, 36649008), (8, 32067882), (9, 28504784), (11, 23322096), (12, 21378588), (14, 18324504), (16, 16033941), (17, 15090768), (18, 14252392), (21, 12216336), (22, 11661048), (24, 10689294), (28, 9162252), (33, 7774032), (34, 7545384), (36, 7126196), (42, 6108168), (44, 5830524), (48, 5344647), (51, 5030256), (56, 4581126), (63, 4072112), (66, 3887016), (68, 3772692), (72, 3563098), (77, 3331728), (84, 3054084), (88, 2915262), (99, 2591344), (102, 2515128), (112, 2290563), (119, 2155824), (126, 2036056), (132, 1943508), (136, 1886346), (144, 1781549), (153, 1676752), (154, 1665864), (168, 1527042), (176, 1457631), (187, 1371888), (198, 1295672), (204, 1257564), (231, 1110576), (238, 1077912), (252, 1018028), (264, 971754), (272, 943173), (306, 838376), (308, 832932), (336, 763521), (357, 718608), (374, 685944), (396, 647836), (408, 628782), (462, 555288), (476, 538956), (504, 509014), (528, 485877), (561, 457296), (612, 419188), (616, 416466), (693, 370192), (714, 359304), (748, 342972), (792, 323918), (816, 314391), (924, 277644), (952, 269478), (1008, 254507), (1071, 239536), (1122, 228648), (1224, 209594), (1232, 208233), (1309, 195984), (1361, 188496), (1386, 185096), (1428, 179652), (1496, 171486), (1584, 161959), (1683, 152432), (1848, 138822), (1904, 134739), (2142, 119768), (2244, 114324), (2448, 104797), (2618, 97992), (2722, 94248), (2772, 92548), (2856, 89826), (2992, 85743), (3366, 76216), (3696, 69411), (3927, 65328), (4083, 62832), (4284, 59884), (4488, 57162), (5236, 48996), (5444, 47124), (5544, 46274), (5712, 44913), (6732, 38108), (7854, 32664), (8166, 31416), (8568, 29942), (8976, 28581), (9527, 26928), (10472, 24498), (10888, 23562), (11088, 23137), (11781, 21776), (12249, 20944), (13464, 19054), (14971, 17136), (15708, 16332)]