280474656

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2047

約数の個数: 192

約数和(自身を含む): 966712320

約数和(自身を除く): 686237664

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 32, 33, 38, 42, 44, 48, 56, 57, 66, 76, 77, 84, 88, 96, 112, 114, 132, 133, 152, 154, 168, 176, 209, 224, 228, 231, 264, 266, 304, 308, 336, 352, 399, 418, 456, 462, 528, 532, 608, 616, 627, 672, 798, 836, 912, 924, 1056, 1064, 1232, 1254, 1463, 1596, 1672, 1824, 1848, 1997, 2128, 2464, 2508, 2926, 3192, 3344, 3696, 3994, 4256, 4389, 5016, 5852, 5991, 6384, 6688, 7392, 7988, 8778, 10032, 11704, 11982, 12768, 13979, 15976, 17556, 20064, 21967, 23408, 23964, 27958, 31952, 35112, 37943, 41937, 43934, 46816, 47928, 55916, 63904, 65901, 70224, 75886, 83874, 87868, 95856, 111832, 113829, 131802, 140448, 151772, 153769, 167748, 175736, 191712, 223664, 227658, 263604, 265601, 303544, 307538, 335496, 351472, 417373, 447328, 455316, 461307, 527208, 531202, 607088, 615076, 670992, 702944, 796803, 834746, 910632, 922614, 1054416, 1062404, 1214176, 1230152, 1252119, 1341984, 1593606, 1669492, 1821264, 1845228, 2108832, 2124808, 2460304, 2504238, 2921611, 3187212, 3338984, 3642528, 3690456, 4249616, 4920608, 5008476, 5843222, 6374424, 6677968, 7380912, 8499232, 8764833, 10016952, 11686444, 12748848, 13355936, 14761824, 17529666, 20033904, 23372888, 25497696, 35059332, 40067808, 46745776, 70118664, 93491552, 140237328, 280474656]

約数ペア:

[(1, 280474656), (2, 140237328), (3, 93491552), (4, 70118664), (6, 46745776), (7, 40067808), (8, 35059332), (11, 25497696), (12, 23372888), (14, 20033904), (16, 17529666), (19, 14761824), (21, 13355936), (22, 12748848), (24, 11686444), (28, 10016952), (32, 8764833), (33, 8499232), (38, 7380912), (42, 6677968), (44, 6374424), (48, 5843222), (56, 5008476), (57, 4920608), (66, 4249616), (76, 3690456), (77, 3642528), (84, 3338984), (88, 3187212), (96, 2921611), (112, 2504238), (114, 2460304), (132, 2124808), (133, 2108832), (152, 1845228), (154, 1821264), (168, 1669492), (176, 1593606), (209, 1341984), (224, 1252119), (228, 1230152), (231, 1214176), (264, 1062404), (266, 1054416), (304, 922614), (308, 910632), (336, 834746), (352, 796803), (399, 702944), (418, 670992), (456, 615076), (462, 607088), (528, 531202), (532, 527208), (608, 461307), (616, 455316), (627, 447328), (672, 417373), (798, 351472), (836, 335496), (912, 307538), (924, 303544), (1056, 265601), (1064, 263604), (1232, 227658), (1254, 223664), (1463, 191712), (1596, 175736), (1672, 167748), (1824, 153769), (1848, 151772), (1997, 140448), (2128, 131802), (2464, 113829), (2508, 111832), (2926, 95856), (3192, 87868), (3344, 83874), (3696, 75886), (3994, 70224), (4256, 65901), (4389, 63904), (5016, 55916), (5852, 47928), (5991, 46816), (6384, 43934), (6688, 41937), (7392, 37943), (7988, 35112), (8778, 31952), (10032, 27958), (11704, 23964), (11982, 23408), (12768, 21967), (13979, 20064), (15976, 17556)]