261407328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1357

約数の個数: 192

約数和(自身を含む): 881943552

約数和(自身を除く): 620536224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 23, 24, 26, 28, 32, 39, 42, 46, 48, 52, 56, 69, 78, 84, 91, 92, 96, 104, 112, 138, 156, 161, 168, 182, 184, 208, 224, 273, 276, 299, 312, 322, 336, 364, 368, 416, 483, 546, 552, 598, 624, 644, 672, 728, 736, 897, 966, 1092, 1104, 1196, 1248, 1288, 1301, 1456, 1794, 1932, 2093, 2184, 2208, 2392, 2576, 2602, 2912, 3588, 3864, 3903, 4186, 4368, 4784, 5152, 5204, 6279, 7176, 7728, 7806, 8372, 8736, 9107, 9568, 10408, 12558, 14352, 15456, 15612, 16744, 16913, 18214, 20816, 25116, 27321, 28704, 29923, 31224, 33488, 33826, 36428, 41632, 50232, 50739, 54642, 59846, 62448, 66976, 67652, 72856, 89769, 100464, 101478, 109284, 118391, 119692, 124896, 135304, 145712, 179538, 200928, 202956, 209461, 218568, 236782, 239384, 270608, 291424, 355173, 359076, 388999, 405912, 418922, 437136, 473564, 478768, 541216, 628383, 710346, 718152, 777998, 811824, 837844, 874272, 947128, 957536, 1166997, 1256766, 1420692, 1436304, 1555996, 1623648, 1675688, 1894256, 2333994, 2513532, 2722993, 2841384, 2872608, 3111992, 3351376, 3788512, 4667988, 5027064, 5445986, 5682768, 6223984, 6702752, 8168979, 9335976, 10054128, 10891972, 11365536, 12447968, 16337958, 18671952, 20108256, 21783944, 32675916, 37343904, 43567888, 65351832, 87135776, 130703664, 261407328]

約数ペア:

[(1, 261407328), (2, 130703664), (3, 87135776), (4, 65351832), (6, 43567888), (7, 37343904), (8, 32675916), (12, 21783944), (13, 20108256), (14, 18671952), (16, 16337958), (21, 12447968), (23, 11365536), (24, 10891972), (26, 10054128), (28, 9335976), (32, 8168979), (39, 6702752), (42, 6223984), (46, 5682768), (48, 5445986), (52, 5027064), (56, 4667988), (69, 3788512), (78, 3351376), (84, 3111992), (91, 2872608), (92, 2841384), (96, 2722993), (104, 2513532), (112, 2333994), (138, 1894256), (156, 1675688), (161, 1623648), (168, 1555996), (182, 1436304), (184, 1420692), (208, 1256766), (224, 1166997), (273, 957536), (276, 947128), (299, 874272), (312, 837844), (322, 811824), (336, 777998), (364, 718152), (368, 710346), (416, 628383), (483, 541216), (546, 478768), (552, 473564), (598, 437136), (624, 418922), (644, 405912), (672, 388999), (728, 359076), (736, 355173), (897, 291424), (966, 270608), (1092, 239384), (1104, 236782), (1196, 218568), (1248, 209461), (1288, 202956), (1301, 200928), (1456, 179538), (1794, 145712), (1932, 135304), (2093, 124896), (2184, 119692), (2208, 118391), (2392, 109284), (2576, 101478), (2602, 100464), (2912, 89769), (3588, 72856), (3864, 67652), (3903, 66976), (4186, 62448), (4368, 59846), (4784, 54642), (5152, 50739), (5204, 50232), (6279, 41632), (7176, 36428), (7728, 33826), (7806, 33488), (8372, 31224), (8736, 29923), (9107, 28704), (9568, 27321), (10408, 25116), (12558, 20816), (14352, 18214), (15456, 16913), (15612, 16744)]