561155840

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 216

約数和(自身を含む): 1635772320

約数和(自身を除く): 1074616480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 256, 280, 320, 322, 368, 389, 392, 448, 460, 490, 560, 640, 644, 736, 778, 784, 805, 896, 920, 980, 1120, 1127, 1280, 1288, 1472, 1556, 1568, 1610, 1792, 1840, 1945, 1960, 2240, 2254, 2576, 2723, 2944, 3112, 3136, 3220, 3680, 3890, 3920, 4480, 4508, 5152, 5446, 5635, 5888, 6224, 6272, 6440, 7360, 7780, 7840, 8947, 8960, 9016, 10304, 10892, 11270, 12448, 12544, 12880, 13615, 14720, 15560, 15680, 17894, 18032, 19061, 20608, 21784, 22540, 24896, 25760, 27230, 29440, 31120, 31360, 35788, 36064, 38122, 41216, 43568, 44735, 45080, 49792, 51520, 54460, 62240, 62629, 62720, 71576, 72128, 76244, 87136, 89470, 90160, 95305, 99584, 103040, 108920, 124480, 125258, 143152, 144256, 152488, 174272, 178940, 180320, 190610, 206080, 217840, 248960, 250516, 286304, 288512, 304976, 313145, 348544, 357880, 360640, 381220, 435680, 438403, 497920, 501032, 572608, 609952, 626290, 697088, 715760, 721280, 762440, 871360, 876806, 1002064, 1145216, 1219904, 1252580, 1431520, 1442560, 1524880, 1742720, 1753612, 2004128, 2192015, 2290432, 2439808, 2505160, 2863040, 3049760, 3485440, 3507224, 4008256, 4384030, 4879616, 5010320, 5726080, 6099520, 7014448, 8016512, 8768060, 10020640, 11452160, 12199040, 14028896, 16033024, 17536120, 20041280, 24398080, 28057792, 35072240, 40082560, 56115584, 70144480, 80165120, 112231168, 140288960, 280577920, 561155840]

約数ペア:

[(1, 561155840), (2, 280577920), (4, 140288960), (5, 112231168), (7, 80165120), (8, 70144480), (10, 56115584), (14, 40082560), (16, 35072240), (20, 28057792), (23, 24398080), (28, 20041280), (32, 17536120), (35, 16033024), (40, 14028896), (46, 12199040), (49, 11452160), (56, 10020640), (64, 8768060), (70, 8016512), (80, 7014448), (92, 6099520), (98, 5726080), (112, 5010320), (115, 4879616), (128, 4384030), (140, 4008256), (160, 3507224), (161, 3485440), (184, 3049760), (196, 2863040), (224, 2505160), (230, 2439808), (245, 2290432), (256, 2192015), (280, 2004128), (320, 1753612), (322, 1742720), (368, 1524880), (389, 1442560), (392, 1431520), (448, 1252580), (460, 1219904), (490, 1145216), (560, 1002064), (640, 876806), (644, 871360), (736, 762440), (778, 721280), (784, 715760), (805, 697088), (896, 626290), (920, 609952), (980, 572608), (1120, 501032), (1127, 497920), (1280, 438403), (1288, 435680), (1472, 381220), (1556, 360640), (1568, 357880), (1610, 348544), (1792, 313145), (1840, 304976), (1945, 288512), (1960, 286304), (2240, 250516), (2254, 248960), (2576, 217840), (2723, 206080), (2944, 190610), (3112, 180320), (3136, 178940), (3220, 174272), (3680, 152488), (3890, 144256), (3920, 143152), (4480, 125258), (4508, 124480), (5152, 108920), (5446, 103040), (5635, 99584), (5888, 95305), (6224, 90160), (6272, 89470), (6440, 87136), (7360, 76244), (7780, 72128), (7840, 71576), (8947, 62720), (8960, 62629), (9016, 62240), (10304, 54460), (10892, 51520), (11270, 49792), (12448, 45080), (12544, 44735), (12880, 43568), (13615, 41216), (14720, 38122), (15560, 36064), (15680, 35788), (17894, 31360), (18032, 31120), (19061, 29440), (20608, 27230), (21784, 25760), (22540, 24896)]