257255856

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 270

約数和(自身を含む): 878793084

約数和(自身を除く): 621537228

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 31, 33, 36, 39, 44, 48, 52, 62, 66, 72, 78, 88, 93, 99, 104, 117, 124, 132, 143, 144, 156, 169, 176, 186, 198, 208, 234, 248, 264, 279, 286, 312, 338, 341, 372, 396, 403, 429, 468, 496, 507, 528, 558, 572, 624, 676, 682, 744, 792, 806, 858, 936, 961, 1014, 1023, 1116, 1144, 1209, 1287, 1352, 1364, 1488, 1521, 1584, 1612, 1716, 1859, 1872, 1922, 2028, 2046, 2232, 2288, 2418, 2574, 2704, 2728, 2883, 3042, 3069, 3224, 3432, 3627, 3718, 3844, 4056, 4092, 4433, 4464, 4836, 5148, 5239, 5456, 5577, 5766, 6084, 6138, 6448, 6864, 7254, 7436, 7688, 8112, 8184, 8649, 8866, 9672, 10296, 10478, 10571, 11154, 11532, 12168, 12276, 12493, 13299, 14508, 14872, 15376, 15717, 16368, 16731, 17298, 17732, 19344, 20592, 20956, 21142, 22308, 23064, 24336, 24552, 24986, 26598, 29016, 29744, 31434, 31713, 33462, 34596, 35464, 37479, 39897, 41912, 42284, 44616, 46128, 47151, 49104, 49972, 53196, 57629, 58032, 62868, 63426, 66924, 69192, 70928, 74958, 79794, 83824, 84568, 89232, 94302, 95139, 99944, 106392, 112437, 115258, 125736, 126852, 133848, 137423, 138384, 149916, 159588, 162409, 169136, 172887, 188604, 190278, 199888, 212784, 224874, 230516, 251472, 253704, 267696, 274846, 299832, 319176, 324818, 345774, 377208, 380556, 412269, 449748, 461032, 487227, 507408, 518661, 549692, 599664, 638352, 649636, 691548, 754416, 761112, 824538, 899496, 922064, 974454, 1037322, 1099384, 1236807, 1299272, 1383096, 1461681, 1522224, 1649076, 1786499, 1798992, 1948908, 2074644, 2198768, 2473614, 2598544, 2766192, 2923362, 3298152, 3572998, 3897816, 4149288, 4947228, 5359497, 5846724, 6596304, 7145996, 7795632, 8298576, 9894456, 10718994, 11693448, 14291992, 16078491, 19788912, 21437988, 23386896, 28583984, 32156982, 42875976, 64313964, 85751952, 128627928, 257255856]

約数ペア:

[(1, 257255856), (2, 128627928), (3, 85751952), (4, 64313964), (6, 42875976), (8, 32156982), (9, 28583984), (11, 23386896), (12, 21437988), (13, 19788912), (16, 16078491), (18, 14291992), (22, 11693448), (24, 10718994), (26, 9894456), (31, 8298576), (33, 7795632), (36, 7145996), (39, 6596304), (44, 5846724), (48, 5359497), (52, 4947228), (62, 4149288), (66, 3897816), (72, 3572998), (78, 3298152), (88, 2923362), (93, 2766192), (99, 2598544), (104, 2473614), (117, 2198768), (124, 2074644), (132, 1948908), (143, 1798992), (144, 1786499), (156, 1649076), (169, 1522224), (176, 1461681), (186, 1383096), (198, 1299272), (208, 1236807), (234, 1099384), (248, 1037322), (264, 974454), (279, 922064), (286, 899496), (312, 824538), (338, 761112), (341, 754416), (372, 691548), (396, 649636), (403, 638352), (429, 599664), (468, 549692), (496, 518661), (507, 507408), (528, 487227), (558, 461032), (572, 449748), (624, 412269), (676, 380556), (682, 377208), (744, 345774), (792, 324818), (806, 319176), (858, 299832), (936, 274846), (961, 267696), (1014, 253704), (1023, 251472), (1116, 230516), (1144, 224874), (1209, 212784), (1287, 199888), (1352, 190278), (1364, 188604), (1488, 172887), (1521, 169136), (1584, 162409), (1612, 159588), (1716, 149916), (1859, 138384), (1872, 137423), (1922, 133848), (2028, 126852), (2046, 125736), (2232, 115258), (2288, 112437), (2418, 106392), (2574, 99944), (2704, 95139), (2728, 94302), (2883, 89232), (3042, 84568), (3069, 83824), (3224, 79794), (3432, 74958), (3627, 70928), (3718, 69192), (3844, 66924), (4056, 63426), (4092, 62868), (4433, 58032), (4464, 57629), (4836, 53196), (5148, 49972), (5239, 49104), (5456, 47151), (5577, 46128), (5766, 44616), (6084, 42284), (6138, 41912), (6448, 39897), (6864, 37479), (7254, 35464), (7436, 34596), (7688, 33462), (8112, 31713), (8184, 31434), (8649, 29744), (8866, 29016), (9672, 26598), (10296, 24986), (10478, 24552), (10571, 24336), (11154, 23064), (11532, 22308), (12168, 21142), (12276, 20956), (12493, 20592), (13299, 19344), (14508, 17732), (14872, 17298), (15376, 16731), (15717, 16368)]