260185728

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2046

約数の個数: 128

約数和(自身を含む): 778659840

約数和(自身を除く): 518474112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 176, 186, 192, 248, 264, 341, 352, 372, 384, 496, 528, 682, 704, 744, 992, 1023, 1056, 1364, 1408, 1488, 1984, 1987, 2046, 2112, 2728, 2976, 3968, 3974, 4092, 4224, 5456, 5952, 5961, 7948, 8184, 10912, 11904, 11922, 15896, 16368, 21824, 21857, 23844, 31792, 32736, 43648, 43714, 47688, 61597, 63584, 65472, 65571, 87428, 95376, 123194, 127168, 130944, 131142, 174856, 184791, 190752, 246388, 254336, 262284, 349712, 369582, 381504, 492776, 524568, 677567, 699424, 739164, 763008, 985552, 1049136, 1355134, 1398848, 1478328, 1971104, 2032701, 2098272, 2710268, 2797696, 2956656, 3942208, 4065402, 4196544, 5420536, 5913312, 7884416, 8130804, 8393088, 10841072, 11826624, 16261608, 21682144, 23653248, 32523216, 43364288, 65046432, 86728576, 130092864, 260185728]

約数ペア:

[(1, 260185728), (2, 130092864), (3, 86728576), (4, 65046432), (6, 43364288), (8, 32523216), (11, 23653248), (12, 21682144), (16, 16261608), (22, 11826624), (24, 10841072), (31, 8393088), (32, 8130804), (33, 7884416), (44, 5913312), (48, 5420536), (62, 4196544), (64, 4065402), (66, 3942208), (88, 2956656), (93, 2797696), (96, 2710268), (124, 2098272), (128, 2032701), (132, 1971104), (176, 1478328), (186, 1398848), (192, 1355134), (248, 1049136), (264, 985552), (341, 763008), (352, 739164), (372, 699424), (384, 677567), (496, 524568), (528, 492776), (682, 381504), (704, 369582), (744, 349712), (992, 262284), (1023, 254336), (1056, 246388), (1364, 190752), (1408, 184791), (1488, 174856), (1984, 131142), (1987, 130944), (2046, 127168), (2112, 123194), (2728, 95376), (2976, 87428), (3968, 65571), (3974, 65472), (4092, 63584), (4224, 61597), (5456, 47688), (5952, 43714), (5961, 43648), (7948, 32736), (8184, 31792), (10912, 23844), (11904, 21857), (11922, 21824), (15896, 16368)]