261342576

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 180

約数和(自身を含む): 821994264

約数和(自身を除く): 560651688

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 53, 66, 72, 88, 99, 106, 121, 132, 144, 159, 176, 198, 212, 242, 264, 283, 318, 363, 396, 424, 477, 484, 528, 566, 583, 636, 726, 792, 848, 849, 954, 968, 1089, 1132, 1166, 1272, 1452, 1584, 1698, 1749, 1908, 1936, 2178, 2264, 2332, 2544, 2547, 2904, 3113, 3396, 3498, 3816, 4356, 4528, 4664, 5094, 5247, 5808, 6226, 6413, 6792, 6996, 7632, 8712, 9328, 9339, 10188, 10494, 12452, 12826, 13584, 13992, 14999, 17424, 18678, 19239, 20376, 20988, 24904, 25652, 27984, 28017, 29998, 34243, 37356, 38478, 40752, 41976, 44997, 49808, 51304, 56034, 57717, 59996, 68486, 74712, 76956, 83952, 89994, 102608, 102729, 112068, 115434, 119992, 134991, 136972, 149424, 153912, 164989, 179988, 205458, 224136, 230868, 239984, 269982, 273944, 307824, 308187, 329978, 359976, 410916, 448272, 461736, 494967, 539964, 547888, 616374, 659956, 719952, 821832, 923472, 989934, 1079928, 1232748, 1319912, 1484901, 1643664, 1814879, 1979868, 2159856, 2465496, 2639824, 2969802, 3629758, 3959736, 4930992, 5444637, 5939604, 7259516, 7919472, 10889274, 11879208, 14519032, 16333911, 21778548, 23758416, 29038064, 32667822, 43557096, 65335644, 87114192, 130671288, 261342576]

約数ペア:

[(1, 261342576), (2, 130671288), (3, 87114192), (4, 65335644), (6, 43557096), (8, 32667822), (9, 29038064), (11, 23758416), (12, 21778548), (16, 16333911), (18, 14519032), (22, 11879208), (24, 10889274), (33, 7919472), (36, 7259516), (44, 5939604), (48, 5444637), (53, 4930992), (66, 3959736), (72, 3629758), (88, 2969802), (99, 2639824), (106, 2465496), (121, 2159856), (132, 1979868), (144, 1814879), (159, 1643664), (176, 1484901), (198, 1319912), (212, 1232748), (242, 1079928), (264, 989934), (283, 923472), (318, 821832), (363, 719952), (396, 659956), (424, 616374), (477, 547888), (484, 539964), (528, 494967), (566, 461736), (583, 448272), (636, 410916), (726, 359976), (792, 329978), (848, 308187), (849, 307824), (954, 273944), (968, 269982), (1089, 239984), (1132, 230868), (1166, 224136), (1272, 205458), (1452, 179988), (1584, 164989), (1698, 153912), (1749, 149424), (1908, 136972), (1936, 134991), (2178, 119992), (2264, 115434), (2332, 112068), (2544, 102729), (2547, 102608), (2904, 89994), (3113, 83952), (3396, 76956), (3498, 74712), (3816, 68486), (4356, 59996), (4528, 57717), (4664, 56034), (5094, 51304), (5247, 49808), (5808, 44997), (6226, 41976), (6413, 40752), (6792, 38478), (6996, 37356), (7632, 34243), (8712, 29998), (9328, 28017), (9339, 27984), (10188, 25652), (10494, 24904), (12452, 20988), (12826, 20376), (13584, 19239), (13992, 18678), (14999, 17424)]