256160736

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:338

約数の個数: 216

約数和(自身を含む): 833316120

約数和(自身を除く): 577155384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 169, 171, 208, 228, 234, 247, 277, 288, 304, 312, 338, 342, 416, 456, 468, 494, 507, 554, 608, 624, 676, 684, 741, 831, 912, 936, 988, 1014, 1108, 1248, 1352, 1368, 1482, 1521, 1662, 1824, 1872, 1976, 2028, 2216, 2223, 2493, 2704, 2736, 2964, 3042, 3211, 3324, 3601, 3744, 3952, 4056, 4432, 4446, 4986, 5263, 5408, 5472, 5928, 6084, 6422, 6648, 7202, 7904, 8112, 8864, 8892, 9633, 9972, 10526, 10803, 11856, 12168, 12844, 13296, 14404, 15789, 16224, 17784, 19266, 19944, 21052, 21606, 23712, 24336, 25688, 26592, 28808, 28899, 31578, 32409, 35568, 38532, 39888, 42104, 43212, 46813, 47367, 48672, 51376, 57616, 57798, 63156, 64818, 68419, 71136, 77064, 79776, 84208, 86424, 93626, 94734, 102752, 115232, 115596, 126312, 129636, 136838, 140439, 154128, 168416, 172848, 187252, 189468, 205257, 231192, 252624, 259272, 273676, 280878, 308256, 345696, 374504, 378936, 410514, 421317, 462384, 505248, 518544, 547352, 561756, 615771, 749008, 757872, 821028, 842634, 889447, 924768, 1037088, 1094704, 1123512, 1231542, 1498016, 1515744, 1642056, 1685268, 1778894, 2189408, 2247024, 2463084, 2668341, 3284112, 3370536, 3557788, 4494048, 4926168, 5336682, 6568224, 6741072, 7115576, 8005023, 9852336, 10673364, 13482144, 14231152, 16010046, 19704672, 21346728, 28462304, 32020092, 42693456, 64040184, 85386912, 128080368, 256160736]

約数ペア:

[(1, 256160736), (2, 128080368), (3, 85386912), (4, 64040184), (6, 42693456), (8, 32020092), (9, 28462304), (12, 21346728), (13, 19704672), (16, 16010046), (18, 14231152), (19, 13482144), (24, 10673364), (26, 9852336), (32, 8005023), (36, 7115576), (38, 6741072), (39, 6568224), (48, 5336682), (52, 4926168), (57, 4494048), (72, 3557788), (76, 3370536), (78, 3284112), (96, 2668341), (104, 2463084), (114, 2247024), (117, 2189408), (144, 1778894), (152, 1685268), (156, 1642056), (169, 1515744), (171, 1498016), (208, 1231542), (228, 1123512), (234, 1094704), (247, 1037088), (277, 924768), (288, 889447), (304, 842634), (312, 821028), (338, 757872), (342, 749008), (416, 615771), (456, 561756), (468, 547352), (494, 518544), (507, 505248), (554, 462384), (608, 421317), (624, 410514), (676, 378936), (684, 374504), (741, 345696), (831, 308256), (912, 280878), (936, 273676), (988, 259272), (1014, 252624), (1108, 231192), (1248, 205257), (1352, 189468), (1368, 187252), (1482, 172848), (1521, 168416), (1662, 154128), (1824, 140439), (1872, 136838), (1976, 129636), (2028, 126312), (2216, 115596), (2223, 115232), (2493, 102752), (2704, 94734), (2736, 93626), (2964, 86424), (3042, 84208), (3211, 79776), (3324, 77064), (3601, 71136), (3744, 68419), (3952, 64818), (4056, 63156), (4432, 57798), (4446, 57616), (4986, 51376), (5263, 48672), (5408, 47367), (5472, 46813), (5928, 43212), (6084, 42104), (6422, 39888), (6648, 38532), (7202, 35568), (7904, 32409), (8112, 31578), (8864, 28899), (8892, 28808), (9633, 26592), (9972, 25688), (10526, 24336), (10803, 23712), (11856, 21606), (12168, 21052), (12844, 19944), (13296, 19266), (14404, 17784), (15789, 16224)]