280397728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1350

約数の個数: 96

約数和(自身を含む): 650280960

約数和(自身を除く): 369883232

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 416, 442, 496, 527, 544, 806, 884, 992, 1054, 1279, 1612, 1768, 2108, 2558, 3224, 3536, 4216, 5116, 6448, 6851, 7072, 8432, 10232, 12896, 13702, 16627, 16864, 20464, 21743, 27404, 33254, 39649, 40928, 43486, 54808, 66508, 79298, 86972, 109616, 133016, 158596, 173944, 219232, 266032, 282659, 317192, 347888, 515437, 532064, 565318, 634384, 674033, 695776, 1030874, 1130636, 1268768, 1348066, 2061748, 2261272, 2696132, 4123496, 4522544, 5392264, 8246992, 8762429, 9045088, 10784528, 16493984, 17524858, 21569056, 35049716, 70099432, 140198864, 280397728]

約数ペア:

[(1, 280397728), (2, 140198864), (4, 70099432), (8, 35049716), (13, 21569056), (16, 17524858), (17, 16493984), (26, 10784528), (31, 9045088), (32, 8762429), (34, 8246992), (52, 5392264), (62, 4522544), (68, 4123496), (104, 2696132), (124, 2261272), (136, 2061748), (208, 1348066), (221, 1268768), (248, 1130636), (272, 1030874), (403, 695776), (416, 674033), (442, 634384), (496, 565318), (527, 532064), (544, 515437), (806, 347888), (884, 317192), (992, 282659), (1054, 266032), (1279, 219232), (1612, 173944), (1768, 158596), (2108, 133016), (2558, 109616), (3224, 86972), (3536, 79298), (4216, 66508), (5116, 54808), (6448, 43486), (6851, 40928), (7072, 39649), (8432, 33254), (10232, 27404), (12896, 21743), (13702, 20464), (16627, 16864)]