261840384

素因数分解:

$2^9\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 320

約数和(自身を含む): 879943680

約数和(自身を除く): 618103296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 47, 48, 52, 54, 62, 64, 72, 78, 93, 94, 96, 104, 108, 117, 124, 128, 141, 144, 156, 186, 188, 192, 208, 216, 234, 248, 256, 279, 282, 288, 312, 351, 372, 376, 384, 403, 416, 423, 432, 468, 496, 512, 558, 564, 576, 611, 624, 702, 744, 752, 768, 806, 832, 837, 846, 864, 936, 992, 1116, 1128, 1152, 1209, 1222, 1248, 1269, 1404, 1457, 1488, 1504, 1536, 1612, 1664, 1674, 1692, 1728, 1833, 1872, 1984, 2232, 2256, 2304, 2418, 2444, 2496, 2538, 2808, 2914, 2976, 3008, 3224, 3328, 3348, 3384, 3456, 3627, 3666, 3744, 3968, 4371, 4464, 4512, 4608, 4836, 4888, 4992, 5076, 5499, 5616, 5828, 5952, 6016, 6448, 6656, 6696, 6768, 6912, 7254, 7332, 7488, 7936, 8742, 8928, 9024, 9672, 9776, 9984, 10152, 10881, 10998, 11232, 11656, 11904, 12032, 12896, 13113, 13392, 13536, 13824, 14508, 14664, 14976, 15872, 16497, 17484, 17856, 18048, 18941, 19344, 19552, 19968, 20304, 21762, 21996, 22464, 23312, 23808, 24064, 25792, 26226, 26784, 27072, 29016, 29328, 29952, 32994, 34968, 35712, 36096, 37882, 38688, 39104, 39339, 40608, 43524, 43992, 44928, 46624, 47616, 51584, 52452, 53568, 54144, 56823, 58032, 58656, 59904, 65988, 69936, 71424, 72192, 75764, 77376, 78208, 78678, 81216, 87048, 87984, 89856, 93248, 103168, 104904, 107136, 108288, 113646, 116064, 117312, 131976, 139872, 142848, 151528, 154752, 156416, 157356, 162432, 170469, 174096, 175968, 179712, 186496, 206336, 209808, 214272, 216576, 227292, 232128, 234624, 263952, 279744, 303056, 309504, 312832, 314712, 324864, 340938, 348192, 351936, 372992, 419616, 428544, 454584, 464256, 469248, 511407, 527904, 559488, 606112, 619008, 629424, 649728, 681876, 696384, 703872, 745984, 839232, 909168, 928512, 938496, 1022814, 1055808, 1118976, 1212224, 1258848, 1363752, 1392768, 1407744, 1678464, 1818336, 1857024, 2045628, 2111616, 2237952, 2424448, 2517696, 2727504, 2785536, 2815488, 3356928, 3636672, 4091256, 4223232, 4848896, 5035392, 5455008, 5571072, 6713856, 7273344, 8182512, 8446464, 9697792, 10070784, 10910016, 14546688, 16365024, 20141568, 21820032, 29093376, 32730048, 43640064, 65460096, 87280128, 130920192, 261840384]

約数ペア:

[(1, 261840384), (2, 130920192), (3, 87280128), (4, 65460096), (6, 43640064), (8, 32730048), (9, 29093376), (12, 21820032), (13, 20141568), (16, 16365024), (18, 14546688), (24, 10910016), (26, 10070784), (27, 9697792), (31, 8446464), (32, 8182512), (36, 7273344), (39, 6713856), (47, 5571072), (48, 5455008), (52, 5035392), (54, 4848896), (62, 4223232), (64, 4091256), (72, 3636672), (78, 3356928), (93, 2815488), (94, 2785536), (96, 2727504), (104, 2517696), (108, 2424448), (117, 2237952), (124, 2111616), (128, 2045628), (141, 1857024), (144, 1818336), (156, 1678464), (186, 1407744), (188, 1392768), (192, 1363752), (208, 1258848), (216, 1212224), (234, 1118976), (248, 1055808), (256, 1022814), (279, 938496), (282, 928512), (288, 909168), (312, 839232), (351, 745984), (372, 703872), (376, 696384), (384, 681876), (403, 649728), (416, 629424), (423, 619008), (432, 606112), (468, 559488), (496, 527904), (512, 511407), (558, 469248), (564, 464256), (576, 454584), (611, 428544), (624, 419616), (702, 372992), (744, 351936), (752, 348192), (768, 340938), (806, 324864), (832, 314712), (837, 312832), (846, 309504), (864, 303056), (936, 279744), (992, 263952), (1116, 234624), (1128, 232128), (1152, 227292), (1209, 216576), (1222, 214272), (1248, 209808), (1269, 206336), (1404, 186496), (1457, 179712), (1488, 175968), (1504, 174096), (1536, 170469), (1612, 162432), (1664, 157356), (1674, 156416), (1692, 154752), (1728, 151528), (1833, 142848), (1872, 139872), (1984, 131976), (2232, 117312), (2256, 116064), (2304, 113646), (2418, 108288), (2444, 107136), (2496, 104904), (2538, 103168), (2808, 93248), (2914, 89856), (2976, 87984), (3008, 87048), (3224, 81216), (3328, 78678), (3348, 78208), (3384, 77376), (3456, 75764), (3627, 72192), (3666, 71424), (3744, 69936), (3968, 65988), (4371, 59904), (4464, 58656), (4512, 58032), (4608, 56823), (4836, 54144), (4888, 53568), (4992, 52452), (5076, 51584), (5499, 47616), (5616, 46624), (5828, 44928), (5952, 43992), (6016, 43524), (6448, 40608), (6656, 39339), (6696, 39104), (6768, 38688), (6912, 37882), (7254, 36096), (7332, 35712), (7488, 34968), (7936, 32994), (8742, 29952), (8928, 29328), (9024, 29016), (9672, 27072), (9776, 26784), (9984, 26226), (10152, 25792), (10881, 24064), (10998, 23808), (11232, 23312), (11656, 22464), (11904, 21996), (12032, 21762), (12896, 20304), (13113, 19968), (13392, 19552), (13536, 19344), (13824, 18941), (14508, 18048), (14664, 17856), (14976, 17484), (15872, 16497)]