258556760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:817

約数の個数: 128

約数和(自身を含む): 732119040

約数和(自身を除く): 473562280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 127, 140, 154, 220, 254, 280, 308, 385, 440, 508, 616, 635, 661, 770, 889, 1016, 1270, 1322, 1397, 1540, 1778, 2540, 2644, 2794, 3080, 3305, 3556, 4445, 4627, 5080, 5288, 5588, 6610, 6985, 7112, 7271, 8890, 9254, 9779, 11176, 13220, 13970, 14542, 17780, 18508, 19558, 23135, 26440, 27940, 29084, 35560, 36355, 37016, 39116, 46270, 48895, 50897, 55880, 58168, 72710, 78232, 83947, 92540, 97790, 101794, 145420, 167894, 185080, 195580, 203588, 254485, 290840, 335788, 391160, 407176, 419735, 508970, 587629, 671576, 839470, 923417, 1017940, 1175258, 1678940, 1846834, 2035880, 2350516, 2938145, 3357880, 3693668, 4617085, 4701032, 5876290, 6463919, 7387336, 9234170, 11752580, 12927838, 18468340, 23505160, 25855676, 32319595, 36936680, 51711352, 64639190, 129278380, 258556760]

約数ペア:

[(1, 258556760), (2, 129278380), (4, 64639190), (5, 51711352), (7, 36936680), (8, 32319595), (10, 25855676), (11, 23505160), (14, 18468340), (20, 12927838), (22, 11752580), (28, 9234170), (35, 7387336), (40, 6463919), (44, 5876290), (55, 4701032), (56, 4617085), (70, 3693668), (77, 3357880), (88, 2938145), (110, 2350516), (127, 2035880), (140, 1846834), (154, 1678940), (220, 1175258), (254, 1017940), (280, 923417), (308, 839470), (385, 671576), (440, 587629), (508, 508970), (616, 419735), (635, 407176), (661, 391160), (770, 335788), (889, 290840), (1016, 254485), (1270, 203588), (1322, 195580), (1397, 185080), (1540, 167894), (1778, 145420), (2540, 101794), (2644, 97790), (2794, 92540), (3080, 83947), (3305, 78232), (3556, 72710), (4445, 58168), (4627, 55880), (5080, 50897), (5288, 48895), (5588, 46270), (6610, 39116), (6985, 37016), (7112, 36355), (7271, 35560), (8890, 29084), (9254, 27940), (9779, 26440), (11176, 23135), (13220, 19558), (13970, 18508), (14542, 17780)]