261153792

素因数分解:

$2^{10}\times 3^2\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 132

約数和(自身を含む): 772783440

約数和(自身を除く): 511629648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 128, 129, 144, 172, 192, 256, 258, 288, 344, 384, 387, 512, 516, 576, 659, 688, 768, 774, 1024, 1032, 1152, 1318, 1376, 1536, 1548, 1977, 2064, 2304, 2636, 2752, 3072, 3096, 3954, 4128, 4608, 5272, 5504, 5931, 6192, 7908, 8256, 9216, 10544, 11008, 11862, 12384, 15816, 16512, 21088, 22016, 23724, 24768, 28337, 31632, 33024, 42176, 44032, 47448, 49536, 56674, 63264, 66048, 84352, 85011, 94896, 99072, 113348, 126528, 132096, 168704, 170022, 189792, 198144, 226696, 253056, 255033, 337408, 340044, 379584, 396288, 453392, 506112, 510066, 674816, 680088, 759168, 906784, 1012224, 1020132, 1360176, 1518336, 1813568, 2024448, 2040264, 2720352, 3036672, 3627136, 4080528, 5440704, 6073344, 7254272, 8161056, 10881408, 14508544, 16322112, 21762816, 29017088, 32644224, 43525632, 65288448, 87051264, 130576896, 261153792]

約数ペア:

[(1, 261153792), (2, 130576896), (3, 87051264), (4, 65288448), (6, 43525632), (8, 32644224), (9, 29017088), (12, 21762816), (16, 16322112), (18, 14508544), (24, 10881408), (32, 8161056), (36, 7254272), (43, 6073344), (48, 5440704), (64, 4080528), (72, 3627136), (86, 3036672), (96, 2720352), (128, 2040264), (129, 2024448), (144, 1813568), (172, 1518336), (192, 1360176), (256, 1020132), (258, 1012224), (288, 906784), (344, 759168), (384, 680088), (387, 674816), (512, 510066), (516, 506112), (576, 453392), (659, 396288), (688, 379584), (768, 340044), (774, 337408), (1024, 255033), (1032, 253056), (1152, 226696), (1318, 198144), (1376, 189792), (1536, 170022), (1548, 168704), (1977, 132096), (2064, 126528), (2304, 113348), (2636, 99072), (2752, 94896), (3072, 85011), (3096, 84352), (3954, 66048), (4128, 63264), (4608, 56674), (5272, 49536), (5504, 47448), (5931, 44032), (6192, 42176), (7908, 33024), (8256, 31632), (9216, 28337), (10544, 24768), (11008, 23724), (11862, 22016), (12384, 21088), (15816, 16512)]