720230280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3444

約数の個数: 256

約数和(自身を含む): 2811801600

約数和(自身を除く): 2091571320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 55, 56, 60, 66, 69, 70, 77, 84, 88, 92, 105, 110, 115, 120, 132, 138, 140, 154, 161, 165, 168, 184, 210, 220, 230, 231, 253, 264, 276, 280, 308, 322, 330, 345, 385, 420, 440, 460, 462, 483, 506, 552, 616, 644, 660, 690, 759, 770, 805, 840, 920, 924, 966, 1012, 1155, 1265, 1288, 1320, 1380, 1518, 1540, 1610, 1771, 1848, 1932, 2024, 2310, 2415, 2530, 2760, 3036, 3080, 3220, 3389, 3542, 3795, 3864, 4620, 4830, 5060, 5313, 6072, 6440, 6778, 7084, 7590, 8855, 9240, 9660, 10120, 10167, 10626, 13556, 14168, 15180, 16945, 17710, 19320, 20334, 21252, 23723, 26565, 27112, 30360, 33890, 35420, 37279, 40668, 42504, 47446, 50835, 53130, 67780, 70840, 71169, 74558, 77947, 81336, 94892, 101670, 106260, 111837, 118615, 135560, 142338, 149116, 155894, 186395, 189784, 203340, 212520, 223674, 233841, 237230, 260953, 284676, 298232, 311788, 355845, 372790, 389735, 406680, 447348, 467682, 474460, 521906, 545629, 559185, 569352, 623576, 711690, 745580, 779470, 782859, 857417, 894696, 935364, 948920, 1043812, 1091258, 1118370, 1169205, 1304765, 1423380, 1491160, 1558940, 1565718, 1636887, 1714834, 1870728, 2087624, 2182516, 2236740, 2338410, 2572251, 2609530, 2728145, 2846760, 3117880, 3131436, 3273774, 3429668, 3914295, 4287085, 4365032, 4473480, 4676820, 5144502, 5219060, 5456290, 6001919, 6262872, 6547548, 6859336, 7828590, 8184435, 8574170, 9353640, 10289004, 10438120, 10912580, 12003838, 12861255, 13095096, 15657180, 16368870, 17148340, 18005757, 20578008, 21825160, 24007676, 25722510, 30009595, 31314360, 32737740, 34296680, 36011514, 48015352, 51445020, 60019190, 65475480, 72023028, 90028785, 102890040, 120038380, 144046056, 180057570, 240076760, 360115140, 720230280]

約数ペア:

[(1, 720230280), (2, 360115140), (3, 240076760), (4, 180057570), (5, 144046056), (6, 120038380), (7, 102890040), (8, 90028785), (10, 72023028), (11, 65475480), (12, 60019190), (14, 51445020), (15, 48015352), (20, 36011514), (21, 34296680), (22, 32737740), (23, 31314360), (24, 30009595), (28, 25722510), (30, 24007676), (33, 21825160), (35, 20578008), (40, 18005757), (42, 17148340), (44, 16368870), (46, 15657180), (55, 13095096), (56, 12861255), (60, 12003838), (66, 10912580), (69, 10438120), (70, 10289004), (77, 9353640), (84, 8574170), (88, 8184435), (92, 7828590), (105, 6859336), (110, 6547548), (115, 6262872), (120, 6001919), (132, 5456290), (138, 5219060), (140, 5144502), (154, 4676820), (161, 4473480), (165, 4365032), (168, 4287085), (184, 3914295), (210, 3429668), (220, 3273774), (230, 3131436), (231, 3117880), (253, 2846760), (264, 2728145), (276, 2609530), (280, 2572251), (308, 2338410), (322, 2236740), (330, 2182516), (345, 2087624), (385, 1870728), (420, 1714834), (440, 1636887), (460, 1565718), (462, 1558940), (483, 1491160), (506, 1423380), (552, 1304765), (616, 1169205), (644, 1118370), (660, 1091258), (690, 1043812), (759, 948920), (770, 935364), (805, 894696), (840, 857417), (920, 782859), (924, 779470), (966, 745580), (1012, 711690), (1155, 623576), (1265, 569352), (1288, 559185), (1320, 545629), (1380, 521906), (1518, 474460), (1540, 467682), (1610, 447348), (1771, 406680), (1848, 389735), (1932, 372790), (2024, 355845), (2310, 311788), (2415, 298232), (2530, 284676), (2760, 260953), (3036, 237230), (3080, 233841), (3220, 223674), (3389, 212520), (3542, 203340), (3795, 189784), (3864, 186395), (4620, 155894), (4830, 149116), (5060, 142338), (5313, 135560), (6072, 118615), (6440, 111837), (6778, 106260), (7084, 101670), (7590, 94892), (8855, 81336), (9240, 77947), (9660, 74558), (10120, 71169), (10167, 70840), (10626, 67780), (13556, 53130), (14168, 50835), (15180, 47446), (16945, 42504), (17710, 40668), (19320, 37279), (20334, 35420), (21252, 33890), (23723, 30360), (26565, 27112)]