261301248

素因数分解:

$2^{10}\times 3^3\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:769

約数の個数: 176

約数和(自身を含む): 834520960

約数和(自身を除く): 573219712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 256, 288, 312, 351, 384, 416, 432, 468, 512, 576, 624, 702, 727, 768, 832, 864, 936, 1024, 1152, 1248, 1404, 1454, 1536, 1664, 1728, 1872, 2181, 2304, 2496, 2808, 2908, 3072, 3328, 3456, 3744, 4362, 4608, 4992, 5616, 5816, 6543, 6656, 6912, 7488, 8724, 9216, 9451, 9984, 11232, 11632, 13086, 13312, 13824, 14976, 17448, 18902, 19629, 19968, 22464, 23264, 26172, 27648, 28353, 29952, 34896, 37804, 39258, 39936, 44928, 46528, 52344, 56706, 59904, 69792, 75608, 78516, 85059, 89856, 93056, 104688, 113412, 119808, 139584, 151216, 157032, 170118, 179712, 186112, 209376, 226824, 255177, 279168, 302432, 314064, 340236, 359424, 372224, 418752, 453648, 510354, 558336, 604864, 628128, 680472, 744448, 837504, 907296, 1020708, 1116672, 1209728, 1256256, 1360944, 1675008, 1814592, 2041416, 2233344, 2419456, 2512512, 2721888, 3350016, 3629184, 4082832, 4838912, 5025024, 5443776, 6700032, 7258368, 8165664, 9677824, 10050048, 10887552, 14516736, 16331328, 20100096, 21775104, 29033472, 32662656, 43550208, 65325312, 87100416, 130650624, 261301248]

約数ペア:

[(1, 261301248), (2, 130650624), (3, 87100416), (4, 65325312), (6, 43550208), (8, 32662656), (9, 29033472), (12, 21775104), (13, 20100096), (16, 16331328), (18, 14516736), (24, 10887552), (26, 10050048), (27, 9677824), (32, 8165664), (36, 7258368), (39, 6700032), (48, 5443776), (52, 5025024), (54, 4838912), (64, 4082832), (72, 3629184), (78, 3350016), (96, 2721888), (104, 2512512), (108, 2419456), (117, 2233344), (128, 2041416), (144, 1814592), (156, 1675008), (192, 1360944), (208, 1256256), (216, 1209728), (234, 1116672), (256, 1020708), (288, 907296), (312, 837504), (351, 744448), (384, 680472), (416, 628128), (432, 604864), (468, 558336), (512, 510354), (576, 453648), (624, 418752), (702, 372224), (727, 359424), (768, 340236), (832, 314064), (864, 302432), (936, 279168), (1024, 255177), (1152, 226824), (1248, 209376), (1404, 186112), (1454, 179712), (1536, 170118), (1664, 157032), (1728, 151216), (1872, 139584), (2181, 119808), (2304, 113412), (2496, 104688), (2808, 93056), (2908, 89856), (3072, 85059), (3328, 78516), (3456, 75608), (3744, 69792), (4362, 59904), (4608, 56706), (4992, 52344), (5616, 46528), (5816, 44928), (6543, 39936), (6656, 39258), (6912, 37804), (7488, 34896), (8724, 29952), (9216, 28353), (9451, 27648), (9984, 26172), (11232, 23264), (11632, 22464), (13086, 19968), (13312, 19629), (13824, 18902), (14976, 17448)]