220454080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 224

約数和(自身を含む): 684702720

約数和(自身を除く): 464248640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 64, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 160, 161, 176, 184, 220, 224, 230, 253, 280, 308, 320, 322, 352, 368, 385, 389, 440, 448, 460, 506, 560, 616, 644, 704, 736, 770, 778, 805, 880, 920, 1012, 1120, 1232, 1265, 1288, 1472, 1540, 1556, 1610, 1760, 1771, 1840, 1945, 2024, 2240, 2464, 2530, 2576, 2723, 3080, 3112, 3220, 3520, 3542, 3680, 3890, 4048, 4279, 4928, 5060, 5152, 5446, 6160, 6224, 6440, 7084, 7360, 7780, 8096, 8558, 8855, 8947, 10120, 10304, 10892, 12320, 12448, 12880, 13615, 14168, 15560, 16192, 17116, 17710, 17894, 20240, 21395, 21784, 24640, 24896, 25760, 27230, 28336, 29953, 31120, 34232, 35420, 35788, 40480, 42790, 43568, 44735, 51520, 54460, 56672, 59906, 62240, 62629, 68464, 70840, 71576, 80960, 85580, 87136, 89470, 98417, 108920, 113344, 119812, 124480, 125258, 136928, 141680, 143152, 149765, 171160, 174272, 178940, 196834, 217840, 239624, 250516, 273856, 283360, 286304, 299530, 313145, 342320, 357880, 393668, 435680, 479248, 492085, 501032, 566720, 572608, 599060, 626290, 684640, 688919, 715760, 787336, 871360, 958496, 984170, 1002064, 1198120, 1252580, 1369280, 1377838, 1431520, 1574672, 1916992, 1968340, 2004128, 2396240, 2505160, 2755676, 2863040, 3149344, 3444595, 3936680, 4008256, 4792480, 5010320, 5511352, 6298688, 6889190, 7873360, 9584960, 10020640, 11022704, 13778380, 15746720, 20041280, 22045408, 27556760, 31493440, 44090816, 55113520, 110227040, 220454080]

約数ペア:

[(1, 220454080), (2, 110227040), (4, 55113520), (5, 44090816), (7, 31493440), (8, 27556760), (10, 22045408), (11, 20041280), (14, 15746720), (16, 13778380), (20, 11022704), (22, 10020640), (23, 9584960), (28, 7873360), (32, 6889190), (35, 6298688), (40, 5511352), (44, 5010320), (46, 4792480), (55, 4008256), (56, 3936680), (64, 3444595), (70, 3149344), (77, 2863040), (80, 2755676), (88, 2505160), (92, 2396240), (110, 2004128), (112, 1968340), (115, 1916992), (140, 1574672), (154, 1431520), (160, 1377838), (161, 1369280), (176, 1252580), (184, 1198120), (220, 1002064), (224, 984170), (230, 958496), (253, 871360), (280, 787336), (308, 715760), (320, 688919), (322, 684640), (352, 626290), (368, 599060), (385, 572608), (389, 566720), (440, 501032), (448, 492085), (460, 479248), (506, 435680), (560, 393668), (616, 357880), (644, 342320), (704, 313145), (736, 299530), (770, 286304), (778, 283360), (805, 273856), (880, 250516), (920, 239624), (1012, 217840), (1120, 196834), (1232, 178940), (1265, 174272), (1288, 171160), (1472, 149765), (1540, 143152), (1556, 141680), (1610, 136928), (1760, 125258), (1771, 124480), (1840, 119812), (1945, 113344), (2024, 108920), (2240, 98417), (2464, 89470), (2530, 87136), (2576, 85580), (2723, 80960), (3080, 71576), (3112, 70840), (3220, 68464), (3520, 62629), (3542, 62240), (3680, 59906), (3890, 56672), (4048, 54460), (4279, 51520), (4928, 44735), (5060, 43568), (5152, 42790), (5446, 40480), (6160, 35788), (6224, 35420), (6440, 34232), (7084, 31120), (7360, 29953), (7780, 28336), (8096, 27230), (8558, 25760), (8855, 24896), (8947, 24640), (10120, 21784), (10304, 21395), (10892, 20240), (12320, 17894), (12448, 17710), (12880, 17116), (13615, 16192), (14168, 15560)]