256437792

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 288

約数和(自身を含む): 866476800

約数和(自身を除く): 610039008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 79, 96, 102, 104, 108, 117, 136, 144, 153, 156, 158, 204, 208, 216, 221, 234, 237, 272, 288, 289, 306, 312, 316, 351, 408, 416, 432, 442, 459, 468, 474, 544, 578, 612, 624, 632, 663, 702, 711, 816, 864, 867, 884, 918, 936, 948, 1027, 1156, 1224, 1248, 1264, 1326, 1343, 1404, 1422, 1632, 1734, 1768, 1836, 1872, 1896, 1989, 2054, 2133, 2312, 2448, 2528, 2601, 2652, 2686, 2808, 2844, 3081, 3468, 3536, 3672, 3744, 3757, 3792, 3978, 4029, 4108, 4266, 4624, 4896, 5202, 5304, 5372, 5616, 5688, 5967, 6162, 6936, 7072, 7344, 7514, 7584, 7803, 7956, 8058, 8216, 8532, 9243, 9248, 10404, 10608, 10744, 11232, 11271, 11376, 11934, 12087, 12324, 13872, 14688, 15028, 15606, 15912, 16116, 16432, 17064, 17459, 18486, 20808, 21216, 21488, 22542, 22752, 22831, 23868, 24174, 24648, 27729, 27744, 30056, 31212, 31824, 32232, 32864, 33813, 34128, 34918, 36261, 36972, 41616, 42976, 45084, 45662, 47736, 48348, 49296, 52377, 55458, 60112, 62424, 63648, 64464, 67626, 68256, 68493, 69836, 72522, 73944, 83232, 90168, 91324, 95472, 96696, 98592, 101439, 104754, 110916, 120224, 124848, 128928, 135252, 136986, 139672, 145044, 147888, 157131, 180336, 182648, 190944, 193392, 202878, 205479, 209508, 221832, 249696, 270504, 273972, 279344, 290088, 295776, 296803, 314262, 360672, 365296, 386784, 405756, 410958, 419016, 443664, 471393, 541008, 547944, 558688, 580176, 593606, 616437, 628524, 730592, 811512, 821916, 838032, 887328, 890409, 942786, 1082016, 1095888, 1160352, 1187212, 1232874, 1257048, 1623024, 1643832, 1676064, 1780818, 1885572, 2191776, 2374424, 2465748, 2514096, 2671227, 3246048, 3287664, 3561636, 3771144, 4748848, 4931496, 5028192, 5342454, 6575328, 7123272, 7542288, 8013681, 9497696, 9862992, 10684908, 14246544, 15084576, 16027362, 19725984, 21369816, 28493088, 32054724, 42739632, 64109448, 85479264, 128218896, 256437792]

約数ペア:

[(1, 256437792), (2, 128218896), (3, 85479264), (4, 64109448), (6, 42739632), (8, 32054724), (9, 28493088), (12, 21369816), (13, 19725984), (16, 16027362), (17, 15084576), (18, 14246544), (24, 10684908), (26, 9862992), (27, 9497696), (32, 8013681), (34, 7542288), (36, 7123272), (39, 6575328), (48, 5342454), (51, 5028192), (52, 4931496), (54, 4748848), (68, 3771144), (72, 3561636), (78, 3287664), (79, 3246048), (96, 2671227), (102, 2514096), (104, 2465748), (108, 2374424), (117, 2191776), (136, 1885572), (144, 1780818), (153, 1676064), (156, 1643832), (158, 1623024), (204, 1257048), (208, 1232874), (216, 1187212), (221, 1160352), (234, 1095888), (237, 1082016), (272, 942786), (288, 890409), (289, 887328), (306, 838032), (312, 821916), (316, 811512), (351, 730592), (408, 628524), (416, 616437), (432, 593606), (442, 580176), (459, 558688), (468, 547944), (474, 541008), (544, 471393), (578, 443664), (612, 419016), (624, 410958), (632, 405756), (663, 386784), (702, 365296), (711, 360672), (816, 314262), (864, 296803), (867, 295776), (884, 290088), (918, 279344), (936, 273972), (948, 270504), (1027, 249696), (1156, 221832), (1224, 209508), (1248, 205479), (1264, 202878), (1326, 193392), (1343, 190944), (1404, 182648), (1422, 180336), (1632, 157131), (1734, 147888), (1768, 145044), (1836, 139672), (1872, 136986), (1896, 135252), (1989, 128928), (2054, 124848), (2133, 120224), (2312, 110916), (2448, 104754), (2528, 101439), (2601, 98592), (2652, 96696), (2686, 95472), (2808, 91324), (2844, 90168), (3081, 83232), (3468, 73944), (3536, 72522), (3672, 69836), (3744, 68493), (3757, 68256), (3792, 67626), (3978, 64464), (4029, 63648), (4108, 62424), (4266, 60112), (4624, 55458), (4896, 52377), (5202, 49296), (5304, 48348), (5372, 47736), (5616, 45662), (5688, 45084), (5967, 42976), (6162, 41616), (6936, 36972), (7072, 36261), (7344, 34918), (7514, 34128), (7584, 33813), (7803, 32864), (7956, 32232), (8058, 31824), (8216, 31212), (8532, 30056), (9243, 27744), (9248, 27729), (10404, 24648), (10608, 24174), (10744, 23868), (11232, 22831), (11271, 22752), (11376, 22542), (11934, 21488), (12087, 21216), (12324, 20808), (13872, 18486), (14688, 17459), (15028, 17064), (15606, 16432), (15912, 16116)]