268275840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19990

約数の個数: 128

約数和(自身を含む): 977339520

約数和(自身を除く): 709063680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19961, 39922, 59883, 79844, 99805, 119766, 139727, 159688, 199610, 239532, 279454, 299415, 319376, 399220, 419181, 479064, 558908, 598830, 638752, 698635, 798440, 838362, 958128, 1117816, 1197660, 1277504, 1397270, 1596880, 1676724, 1916256, 2095905, 2235632, 2395320, 2555008, 2794540, 3193760, 3353448, 3832512, 4191810, 4471264, 4790640, 5589080, 6387520, 6706896, 7665024, 8383620, 8942528, 9581280, 11178160, 12775040, 13413792, 16767240, 17885056, 19162560, 22356320, 26827584, 33534480, 38325120, 44712640, 53655168, 67068960, 89425280, 134137920, 268275840]

約数ペア:

[(1, 268275840), (2, 134137920), (3, 89425280), (4, 67068960), (5, 53655168), (6, 44712640), (7, 38325120), (8, 33534480), (10, 26827584), (12, 22356320), (14, 19162560), (15, 17885056), (16, 16767240), (20, 13413792), (21, 12775040), (24, 11178160), (28, 9581280), (30, 8942528), (32, 8383620), (35, 7665024), (40, 6706896), (42, 6387520), (48, 5589080), (56, 4790640), (60, 4471264), (64, 4191810), (70, 3832512), (80, 3353448), (84, 3193760), (96, 2794540), (105, 2555008), (112, 2395320), (120, 2235632), (128, 2095905), (140, 1916256), (160, 1676724), (168, 1596880), (192, 1397270), (210, 1277504), (224, 1197660), (240, 1117816), (280, 958128), (320, 838362), (336, 798440), (384, 698635), (420, 638752), (448, 598830), (480, 558908), (560, 479064), (640, 419181), (672, 399220), (840, 319376), (896, 299415), (960, 279454), (1120, 239532), (1344, 199610), (1680, 159688), (1920, 139727), (2240, 119766), (2688, 99805), (3360, 79844), (4480, 59883), (6720, 39922), (13440, 19961)]