257551056

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{23}}^3$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 899049600

約数和(自身を除く): 641498544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 49, 54, 56, 63, 69, 72, 84, 92, 98, 108, 112, 126, 138, 144, 147, 161, 168, 184, 189, 196, 207, 216, 252, 276, 294, 322, 336, 368, 378, 392, 414, 432, 441, 483, 504, 529, 552, 588, 621, 644, 756, 784, 828, 882, 966, 1008, 1058, 1104, 1127, 1176, 1242, 1288, 1323, 1449, 1512, 1587, 1656, 1764, 1932, 2116, 2254, 2352, 2484, 2576, 2646, 2898, 3024, 3174, 3312, 3381, 3528, 3703, 3864, 4232, 4347, 4508, 4761, 4968, 5292, 5796, 6348, 6762, 7056, 7406, 7728, 8464, 8694, 9016, 9522, 9936, 10143, 10584, 11109, 11592, 12167, 12696, 13524, 14283, 14812, 17388, 18032, 19044, 20286, 21168, 22218, 23184, 24334, 25392, 25921, 27048, 28566, 29624, 30429, 33327, 34776, 36501, 38088, 40572, 44436, 48668, 51842, 54096, 57132, 59248, 60858, 66654, 69552, 73002, 76176, 77763, 81144, 85169, 88872, 97336, 99981, 103684, 109503, 114264, 121716, 133308, 146004, 155526, 162288, 170338, 177744, 194672, 199962, 207368, 219006, 228528, 233289, 243432, 255507, 266616, 292008, 311052, 328509, 340676, 399924, 414736, 438012, 466578, 486864, 511014, 533232, 584016, 596183, 622104, 657018, 681352, 699867, 766521, 799848, 876024, 933156, 1022028, 1192366, 1244208, 1314036, 1362704, 1399734, 1533042, 1599696, 1752048, 1788549, 1866312, 2044056, 2299563, 2384732, 2628072, 2799468, 3066084, 3577098, 3732624, 4088112, 4599126, 4769464, 5256144, 5365647, 5598936, 6132168, 7154196, 9198252, 9538928, 10731294, 11197872, 12264336, 14308392, 16096941, 18396504, 21462588, 28616784, 32193882, 36793008, 42925176, 64387764, 85850352, 128775528, 257551056]

約数ペア:

[(1, 257551056), (2, 128775528), (3, 85850352), (4, 64387764), (6, 42925176), (7, 36793008), (8, 32193882), (9, 28616784), (12, 21462588), (14, 18396504), (16, 16096941), (18, 14308392), (21, 12264336), (23, 11197872), (24, 10731294), (27, 9538928), (28, 9198252), (36, 7154196), (42, 6132168), (46, 5598936), (48, 5365647), (49, 5256144), (54, 4769464), (56, 4599126), (63, 4088112), (69, 3732624), (72, 3577098), (84, 3066084), (92, 2799468), (98, 2628072), (108, 2384732), (112, 2299563), (126, 2044056), (138, 1866312), (144, 1788549), (147, 1752048), (161, 1599696), (168, 1533042), (184, 1399734), (189, 1362704), (196, 1314036), (207, 1244208), (216, 1192366), (252, 1022028), (276, 933156), (294, 876024), (322, 799848), (336, 766521), (368, 699867), (378, 681352), (392, 657018), (414, 622104), (432, 596183), (441, 584016), (483, 533232), (504, 511014), (529, 486864), (552, 466578), (588, 438012), (621, 414736), (644, 399924), (756, 340676), (784, 328509), (828, 311052), (882, 292008), (966, 266616), (1008, 255507), (1058, 243432), (1104, 233289), (1127, 228528), (1176, 219006), (1242, 207368), (1288, 199962), (1323, 194672), (1449, 177744), (1512, 170338), (1587, 162288), (1656, 155526), (1764, 146004), (1932, 133308), (2116, 121716), (2254, 114264), (2352, 109503), (2484, 103684), (2576, 99981), (2646, 97336), (2898, 88872), (3024, 85169), (3174, 81144), (3312, 77763), (3381, 76176), (3528, 73002), (3703, 69552), (3864, 66654), (4232, 60858), (4347, 59248), (4508, 57132), (4761, 54096), (4968, 51842), (5292, 48668), (5796, 44436), (6348, 40572), (6762, 38088), (7056, 36501), (7406, 34776), (7728, 33327), (8464, 30429), (8694, 29624), (9016, 28566), (9522, 27048), (9936, 25921), (10143, 25392), (10584, 24334), (11109, 23184), (11592, 22218), (12167, 21168), (12696, 20286), (13524, 19044), (14283, 18032), (14812, 17388)]