210657920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1354

約数の個数: 128

約数和(自身を含む): 573713280

約数和(自身を除く): 363055360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 640, 704, 736, 880, 920, 1012, 1265, 1301, 1408, 1472, 1760, 1840, 2024, 2530, 2602, 2944, 3520, 3680, 4048, 5060, 5204, 6505, 7040, 7360, 8096, 10120, 10408, 13010, 14311, 14720, 16192, 20240, 20816, 26020, 28622, 29923, 32384, 40480, 41632, 52040, 57244, 59846, 71555, 80960, 83264, 104080, 114488, 119692, 143110, 149615, 161920, 166528, 208160, 228976, 239384, 286220, 299230, 329153, 416320, 457952, 478768, 572440, 598460, 658306, 832640, 915904, 957536, 1144880, 1196920, 1316612, 1645765, 1831808, 1915072, 2289760, 2393840, 2633224, 3291530, 3830144, 4579520, 4787680, 5266448, 6583060, 9159040, 9575360, 10532896, 13166120, 19150720, 21065792, 26332240, 42131584, 52664480, 105328960, 210657920]

約数ペア:

[(1, 210657920), (2, 105328960), (4, 52664480), (5, 42131584), (8, 26332240), (10, 21065792), (11, 19150720), (16, 13166120), (20, 10532896), (22, 9575360), (23, 9159040), (32, 6583060), (40, 5266448), (44, 4787680), (46, 4579520), (55, 3830144), (64, 3291530), (80, 2633224), (88, 2393840), (92, 2289760), (110, 1915072), (115, 1831808), (128, 1645765), (160, 1316612), (176, 1196920), (184, 1144880), (220, 957536), (230, 915904), (253, 832640), (320, 658306), (352, 598460), (368, 572440), (440, 478768), (460, 457952), (506, 416320), (640, 329153), (704, 299230), (736, 286220), (880, 239384), (920, 228976), (1012, 208160), (1265, 166528), (1301, 161920), (1408, 149615), (1472, 143110), (1760, 119692), (1840, 114488), (2024, 104080), (2530, 83264), (2602, 80960), (2944, 71555), (3520, 59846), (3680, 57244), (4048, 52040), (5060, 41632), (5204, 40480), (6505, 32384), (7040, 29923), (7360, 28622), (8096, 26020), (10120, 20816), (10408, 20240), (13010, 16192), (14311, 14720)]