256723896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 825753600

約数和(自身を除く): 569029704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 31, 33, 38, 39, 44, 52, 57, 62, 66, 76, 78, 88, 93, 104, 114, 124, 127, 132, 143, 152, 156, 186, 209, 228, 247, 248, 254, 264, 286, 312, 341, 372, 381, 403, 418, 429, 456, 494, 508, 572, 589, 627, 682, 741, 744, 762, 806, 836, 858, 988, 1016, 1023, 1144, 1178, 1209, 1254, 1364, 1397, 1482, 1524, 1612, 1651, 1672, 1716, 1767, 1976, 2046, 2356, 2413, 2418, 2508, 2717, 2728, 2794, 2964, 3048, 3224, 3302, 3432, 3534, 3937, 4092, 4191, 4433, 4712, 4826, 4836, 4953, 5016, 5434, 5588, 5928, 6479, 6604, 7068, 7239, 7657, 7874, 8151, 8184, 8382, 8866, 9652, 9672, 9906, 10868, 11176, 11811, 12958, 13208, 13299, 14136, 14478, 15314, 15748, 16302, 16764, 17732, 18161, 19304, 19437, 19812, 21736, 22971, 23622, 25916, 26543, 26598, 28956, 30628, 31369, 31496, 32604, 33528, 35464, 36322, 38874, 39624, 43307, 45942, 47244, 51181, 51832, 53086, 53196, 54483, 57912, 61256, 62738, 65208, 72644, 74803, 77748, 79629, 84227, 86614, 91884, 94107, 94488, 102362, 106172, 106392, 108966, 125476, 129921, 145288, 149606, 153543, 155496, 159258, 168454, 173228, 183768, 188214, 204724, 212344, 217932, 224409, 250952, 252681, 259842, 299212, 307086, 318516, 336908, 345059, 346456, 376428, 409448, 435864, 448818, 505362, 519684, 562991, 598424, 614172, 637032, 673816, 690118, 752856, 822833, 897636, 972439, 1010724, 1035177, 1039368, 1125982, 1228344, 1380236, 1645666, 1688973, 1795272, 1944878, 2021448, 2070354, 2251964, 2468499, 2760472, 2917317, 3291332, 3377946, 3889756, 4140708, 4503928, 4936998, 5834634, 6582664, 6755892, 7779512, 8281416, 9873996, 10696829, 11669268, 13511784, 19747992, 21393658, 23338536, 32090487, 42787316, 64180974, 85574632, 128361948, 256723896]

約数ペア:

[(1, 256723896), (2, 128361948), (3, 85574632), (4, 64180974), (6, 42787316), (8, 32090487), (11, 23338536), (12, 21393658), (13, 19747992), (19, 13511784), (22, 11669268), (24, 10696829), (26, 9873996), (31, 8281416), (33, 7779512), (38, 6755892), (39, 6582664), (44, 5834634), (52, 4936998), (57, 4503928), (62, 4140708), (66, 3889756), (76, 3377946), (78, 3291332), (88, 2917317), (93, 2760472), (104, 2468499), (114, 2251964), (124, 2070354), (127, 2021448), (132, 1944878), (143, 1795272), (152, 1688973), (156, 1645666), (186, 1380236), (209, 1228344), (228, 1125982), (247, 1039368), (248, 1035177), (254, 1010724), (264, 972439), (286, 897636), (312, 822833), (341, 752856), (372, 690118), (381, 673816), (403, 637032), (418, 614172), (429, 598424), (456, 562991), (494, 519684), (508, 505362), (572, 448818), (589, 435864), (627, 409448), (682, 376428), (741, 346456), (744, 345059), (762, 336908), (806, 318516), (836, 307086), (858, 299212), (988, 259842), (1016, 252681), (1023, 250952), (1144, 224409), (1178, 217932), (1209, 212344), (1254, 204724), (1364, 188214), (1397, 183768), (1482, 173228), (1524, 168454), (1612, 159258), (1651, 155496), (1672, 153543), (1716, 149606), (1767, 145288), (1976, 129921), (2046, 125476), (2356, 108966), (2413, 106392), (2418, 106172), (2508, 102362), (2717, 94488), (2728, 94107), (2794, 91884), (2964, 86614), (3048, 84227), (3224, 79629), (3302, 77748), (3432, 74803), (3534, 72644), (3937, 65208), (4092, 62738), (4191, 61256), (4433, 57912), (4712, 54483), (4826, 53196), (4836, 53086), (4953, 51832), (5016, 51181), (5434, 47244), (5588, 45942), (5928, 43307), (6479, 39624), (6604, 38874), (7068, 36322), (7239, 35464), (7657, 33528), (7874, 32604), (8151, 31496), (8184, 31369), (8382, 30628), (8866, 28956), (9652, 26598), (9672, 26543), (9906, 25916), (10868, 23622), (11176, 22971), (11811, 21736), (12958, 19812), (13208, 19437), (13299, 19304), (14136, 18161), (14478, 17732), (15314, 16764), (15748, 16302)]