290321280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 256

約数和(自身を含む): 1050926400

約数和(自身を除く): 760605120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 64, 72, 80, 90, 96, 106, 108, 120, 128, 135, 144, 159, 160, 180, 192, 212, 216, 240, 265, 270, 288, 317, 318, 320, 360, 384, 424, 432, 477, 480, 530, 540, 576, 634, 636, 640, 720, 795, 848, 864, 951, 954, 960, 1060, 1080, 1152, 1268, 1272, 1431, 1440, 1585, 1590, 1696, 1728, 1902, 1908, 1920, 2120, 2160, 2385, 2536, 2544, 2853, 2862, 2880, 3170, 3180, 3392, 3456, 3804, 3816, 4240, 4320, 4755, 4770, 5072, 5088, 5706, 5724, 5760, 6340, 6360, 6784, 7155, 7608, 7632, 8480, 8559, 8640, 9510, 9540, 10144, 10176, 11412, 11448, 12680, 12720, 14265, 14310, 15216, 15264, 16801, 16960, 17118, 17280, 19020, 19080, 20288, 20352, 22824, 22896, 25360, 25440, 28530, 28620, 30432, 30528, 33602, 33920, 34236, 38040, 38160, 40576, 42795, 45648, 45792, 50403, 50720, 50880, 57060, 57240, 60864, 61056, 67204, 68472, 76080, 76320, 84005, 85590, 91296, 91584, 100806, 101440, 101760, 114120, 114480, 121728, 134408, 136944, 151209, 152160, 152640, 168010, 171180, 182592, 183168, 201612, 202880, 228240, 228960, 252015, 268816, 273888, 302418, 304320, 305280, 336020, 342360, 365184, 403224, 453627, 456480, 457920, 504030, 537632, 547776, 604836, 608640, 672040, 684720, 756045, 806448, 907254, 912960, 915840, 1008060, 1075264, 1095552, 1209672, 1344080, 1369440, 1512090, 1612896, 1814508, 1825920, 2016120, 2150528, 2268135, 2419344, 2688160, 2738880, 3024180, 3225792, 3629016, 4032240, 4536270, 4838688, 5376320, 5477760, 6048360, 6451584, 7258032, 8064480, 9072540, 9677376, 10752640, 12096720, 14516064, 16128960, 18145080, 19354752, 24193440, 29032128, 32257920, 36290160, 48386880, 58064256, 72580320, 96773760, 145160640, 290321280]

約数ペア:

[(1, 290321280), (2, 145160640), (3, 96773760), (4, 72580320), (5, 58064256), (6, 48386880), (8, 36290160), (9, 32257920), (10, 29032128), (12, 24193440), (15, 19354752), (16, 18145080), (18, 16128960), (20, 14516064), (24, 12096720), (27, 10752640), (30, 9677376), (32, 9072540), (36, 8064480), (40, 7258032), (45, 6451584), (48, 6048360), (53, 5477760), (54, 5376320), (60, 4838688), (64, 4536270), (72, 4032240), (80, 3629016), (90, 3225792), (96, 3024180), (106, 2738880), (108, 2688160), (120, 2419344), (128, 2268135), (135, 2150528), (144, 2016120), (159, 1825920), (160, 1814508), (180, 1612896), (192, 1512090), (212, 1369440), (216, 1344080), (240, 1209672), (265, 1095552), (270, 1075264), (288, 1008060), (317, 915840), (318, 912960), (320, 907254), (360, 806448), (384, 756045), (424, 684720), (432, 672040), (477, 608640), (480, 604836), (530, 547776), (540, 537632), (576, 504030), (634, 457920), (636, 456480), (640, 453627), (720, 403224), (795, 365184), (848, 342360), (864, 336020), (951, 305280), (954, 304320), (960, 302418), (1060, 273888), (1080, 268816), (1152, 252015), (1268, 228960), (1272, 228240), (1431, 202880), (1440, 201612), (1585, 183168), (1590, 182592), (1696, 171180), (1728, 168010), (1902, 152640), (1908, 152160), (1920, 151209), (2120, 136944), (2160, 134408), (2385, 121728), (2536, 114480), (2544, 114120), (2853, 101760), (2862, 101440), (2880, 100806), (3170, 91584), (3180, 91296), (3392, 85590), (3456, 84005), (3804, 76320), (3816, 76080), (4240, 68472), (4320, 67204), (4755, 61056), (4770, 60864), (5072, 57240), (5088, 57060), (5706, 50880), (5724, 50720), (5760, 50403), (6340, 45792), (6360, 45648), (6784, 42795), (7155, 40576), (7608, 38160), (7632, 38040), (8480, 34236), (8559, 33920), (8640, 33602), (9510, 30528), (9540, 30432), (10144, 28620), (10176, 28530), (11412, 25440), (11448, 25360), (12680, 22896), (12720, 22824), (14265, 20352), (14310, 20288), (15216, 19080), (15264, 19020), (16801, 17280), (16960, 17118)]