261459456

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 803996160

約数和(自身を除く): 542536704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 31, 32, 34, 38, 48, 51, 57, 62, 64, 68, 76, 93, 96, 102, 114, 124, 128, 136, 152, 186, 192, 204, 228, 248, 256, 272, 289, 304, 323, 372, 384, 408, 456, 496, 512, 527, 544, 578, 589, 608, 646, 744, 768, 816, 867, 912, 969, 992, 1054, 1088, 1156, 1178, 1216, 1292, 1488, 1536, 1581, 1632, 1734, 1767, 1824, 1938, 1984, 2108, 2176, 2312, 2356, 2432, 2584, 2976, 3162, 3264, 3468, 3534, 3648, 3876, 3968, 4216, 4352, 4624, 4712, 4864, 5168, 5491, 5952, 6324, 6528, 6936, 7068, 7296, 7752, 7936, 8432, 8704, 8959, 9248, 9424, 9728, 10013, 10336, 10982, 11904, 12648, 13056, 13872, 14136, 14592, 15504, 15872, 16473, 16864, 17918, 18496, 18848, 20026, 20672, 21964, 23808, 25296, 26112, 26877, 27744, 28272, 29184, 30039, 31008, 32946, 33728, 35836, 36992, 37696, 40052, 41344, 43928, 47616, 50592, 53754, 55488, 56544, 60078, 62016, 65892, 67456, 71672, 73984, 75392, 80104, 82688, 87856, 101184, 107508, 110976, 113088, 120156, 124032, 131784, 134912, 143344, 147968, 150784, 160208, 165376, 170221, 175712, 202368, 215016, 221952, 226176, 240312, 248064, 263568, 269824, 286688, 301568, 320416, 340442, 351424, 404736, 430032, 443904, 452352, 480624, 496128, 510663, 527136, 573376, 640832, 680884, 702848, 809472, 860064, 904704, 961248, 1021326, 1054272, 1146752, 1281664, 1361768, 1405696, 1720128, 1922496, 2042652, 2108544, 2293504, 2563328, 2723536, 2811392, 3440256, 3844992, 4085304, 4217088, 4587008, 5126656, 5447072, 6880512, 7689984, 8170608, 8434176, 10894144, 13761024, 15379968, 16341216, 21788288, 32682432, 43576576, 65364864, 87153152, 130729728, 261459456]

約数ペア:

[(1, 261459456), (2, 130729728), (3, 87153152), (4, 65364864), (6, 43576576), (8, 32682432), (12, 21788288), (16, 16341216), (17, 15379968), (19, 13761024), (24, 10894144), (31, 8434176), (32, 8170608), (34, 7689984), (38, 6880512), (48, 5447072), (51, 5126656), (57, 4587008), (62, 4217088), (64, 4085304), (68, 3844992), (76, 3440256), (93, 2811392), (96, 2723536), (102, 2563328), (114, 2293504), (124, 2108544), (128, 2042652), (136, 1922496), (152, 1720128), (186, 1405696), (192, 1361768), (204, 1281664), (228, 1146752), (248, 1054272), (256, 1021326), (272, 961248), (289, 904704), (304, 860064), (323, 809472), (372, 702848), (384, 680884), (408, 640832), (456, 573376), (496, 527136), (512, 510663), (527, 496128), (544, 480624), (578, 452352), (589, 443904), (608, 430032), (646, 404736), (744, 351424), (768, 340442), (816, 320416), (867, 301568), (912, 286688), (969, 269824), (992, 263568), (1054, 248064), (1088, 240312), (1156, 226176), (1178, 221952), (1216, 215016), (1292, 202368), (1488, 175712), (1536, 170221), (1581, 165376), (1632, 160208), (1734, 150784), (1767, 147968), (1824, 143344), (1938, 134912), (1984, 131784), (2108, 124032), (2176, 120156), (2312, 113088), (2356, 110976), (2432, 107508), (2584, 101184), (2976, 87856), (3162, 82688), (3264, 80104), (3468, 75392), (3534, 73984), (3648, 71672), (3876, 67456), (3968, 65892), (4216, 62016), (4352, 60078), (4624, 56544), (4712, 55488), (4864, 53754), (5168, 50592), (5491, 47616), (5952, 43928), (6324, 41344), (6528, 40052), (6936, 37696), (7068, 36992), (7296, 35836), (7752, 33728), (7936, 32946), (8432, 31008), (8704, 30039), (8959, 29184), (9248, 28272), (9424, 27744), (9728, 26877), (10013, 26112), (10336, 25296), (10982, 23808), (11904, 21964), (12648, 20672), (13056, 20026), (13872, 18848), (14136, 18496), (14592, 17918), (15504, 16864), (15872, 16473)]