255721728

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 734662656

約数和(自身を除く): 478940928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 32, 46, 48, 62, 64, 69, 92, 93, 96, 124, 128, 138, 184, 186, 192, 248, 256, 276, 368, 372, 384, 467, 496, 552, 713, 736, 744, 768, 934, 992, 1104, 1401, 1426, 1472, 1488, 1868, 1984, 2139, 2208, 2802, 2852, 2944, 2976, 3736, 3968, 4278, 4416, 5604, 5704, 5888, 5952, 7472, 7936, 8556, 8832, 10741, 11208, 11408, 11904, 14477, 14944, 17112, 17664, 21482, 22416, 22816, 23808, 28954, 29888, 32223, 34224, 42964, 43431, 44832, 45632, 57908, 59776, 64446, 68448, 85928, 86862, 89664, 91264, 115816, 119552, 128892, 136896, 171856, 173724, 179328, 182528, 231632, 257784, 273792, 332971, 343712, 347448, 358656, 463264, 515568, 547584, 665942, 687424, 694896, 926528, 998913, 1031136, 1331884, 1374848, 1389792, 1853056, 1997826, 2062272, 2663768, 2749696, 2779584, 3706112, 3995652, 4124544, 5327536, 5559168, 7991304, 8249088, 10655072, 11118336, 15982608, 21310144, 31965216, 42620288, 63930432, 85240576, 127860864, 255721728]

約数ペア:

[(1, 255721728), (2, 127860864), (3, 85240576), (4, 63930432), (6, 42620288), (8, 31965216), (12, 21310144), (16, 15982608), (23, 11118336), (24, 10655072), (31, 8249088), (32, 7991304), (46, 5559168), (48, 5327536), (62, 4124544), (64, 3995652), (69, 3706112), (92, 2779584), (93, 2749696), (96, 2663768), (124, 2062272), (128, 1997826), (138, 1853056), (184, 1389792), (186, 1374848), (192, 1331884), (248, 1031136), (256, 998913), (276, 926528), (368, 694896), (372, 687424), (384, 665942), (467, 547584), (496, 515568), (552, 463264), (713, 358656), (736, 347448), (744, 343712), (768, 332971), (934, 273792), (992, 257784), (1104, 231632), (1401, 182528), (1426, 179328), (1472, 173724), (1488, 171856), (1868, 136896), (1984, 128892), (2139, 119552), (2208, 115816), (2802, 91264), (2852, 89664), (2944, 86862), (2976, 85928), (3736, 68448), (3968, 64446), (4278, 59776), (4416, 57908), (5604, 45632), (5704, 44832), (5888, 43431), (5952, 42964), (7472, 34224), (7936, 32223), (8556, 29888), (8832, 28954), (10741, 23808), (11208, 22816), (11408, 22416), (11904, 21482), (14477, 17664), (14944, 17112)]