289080960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 256

約数和(自身を含む): 1067523840

約数和(自身を除く): 778442880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 137, 140, 157, 160, 168, 192, 210, 224, 240, 274, 280, 314, 320, 336, 384, 411, 420, 448, 471, 480, 548, 560, 628, 640, 672, 685, 785, 822, 840, 896, 942, 959, 960, 1096, 1099, 1120, 1256, 1344, 1370, 1570, 1644, 1680, 1884, 1918, 1920, 2055, 2192, 2198, 2240, 2355, 2512, 2688, 2740, 2877, 3140, 3288, 3297, 3360, 3768, 3836, 4110, 4384, 4396, 4480, 4710, 4795, 5024, 5480, 5495, 5754, 6280, 6576, 6594, 6720, 7536, 7672, 8220, 8768, 8792, 9420, 9590, 10048, 10960, 10990, 11508, 12560, 13152, 13188, 13440, 14385, 15072, 15344, 16440, 16485, 17536, 17584, 18840, 19180, 20096, 21509, 21920, 21980, 23016, 25120, 26304, 26376, 28770, 30144, 30688, 32880, 32970, 35168, 37680, 38360, 43018, 43840, 43960, 46032, 50240, 52608, 52752, 57540, 60288, 61376, 64527, 65760, 65940, 70336, 75360, 76720, 86036, 87680, 87920, 92064, 100480, 105504, 107545, 115080, 122752, 129054, 131520, 131880, 140672, 150563, 150720, 153440, 172072, 175840, 184128, 211008, 215090, 230160, 258108, 263040, 263760, 301126, 301440, 306880, 322635, 344144, 351680, 368256, 422016, 430180, 451689, 460320, 516216, 527520, 602252, 613760, 645270, 688288, 703360, 752815, 860360, 903378, 920640, 1032432, 1055040, 1204504, 1290540, 1376576, 1505630, 1720720, 1806756, 1841280, 2064864, 2110080, 2258445, 2409008, 2581080, 2753152, 3011260, 3441440, 3613512, 4129728, 4516890, 4818016, 5162160, 6022520, 6882880, 7227024, 8259456, 9033780, 9636032, 10324320, 12045040, 13765760, 14454048, 18067560, 19272064, 20648640, 24090080, 28908096, 36135120, 41297280, 48180160, 57816192, 72270240, 96360320, 144540480, 289080960]

約数ペア:

[(1, 289080960), (2, 144540480), (3, 96360320), (4, 72270240), (5, 57816192), (6, 48180160), (7, 41297280), (8, 36135120), (10, 28908096), (12, 24090080), (14, 20648640), (15, 19272064), (16, 18067560), (20, 14454048), (21, 13765760), (24, 12045040), (28, 10324320), (30, 9636032), (32, 9033780), (35, 8259456), (40, 7227024), (42, 6882880), (48, 6022520), (56, 5162160), (60, 4818016), (64, 4516890), (70, 4129728), (80, 3613512), (84, 3441440), (96, 3011260), (105, 2753152), (112, 2581080), (120, 2409008), (128, 2258445), (137, 2110080), (140, 2064864), (157, 1841280), (160, 1806756), (168, 1720720), (192, 1505630), (210, 1376576), (224, 1290540), (240, 1204504), (274, 1055040), (280, 1032432), (314, 920640), (320, 903378), (336, 860360), (384, 752815), (411, 703360), (420, 688288), (448, 645270), (471, 613760), (480, 602252), (548, 527520), (560, 516216), (628, 460320), (640, 451689), (672, 430180), (685, 422016), (785, 368256), (822, 351680), (840, 344144), (896, 322635), (942, 306880), (959, 301440), (960, 301126), (1096, 263760), (1099, 263040), (1120, 258108), (1256, 230160), (1344, 215090), (1370, 211008), (1570, 184128), (1644, 175840), (1680, 172072), (1884, 153440), (1918, 150720), (1920, 150563), (2055, 140672), (2192, 131880), (2198, 131520), (2240, 129054), (2355, 122752), (2512, 115080), (2688, 107545), (2740, 105504), (2877, 100480), (3140, 92064), (3288, 87920), (3297, 87680), (3360, 86036), (3768, 76720), (3836, 75360), (4110, 70336), (4384, 65940), (4396, 65760), (4480, 64527), (4710, 61376), (4795, 60288), (5024, 57540), (5480, 52752), (5495, 52608), (5754, 50240), (6280, 46032), (6576, 43960), (6594, 43840), (6720, 43018), (7536, 38360), (7672, 37680), (8220, 35168), (8768, 32970), (8792, 32880), (9420, 30688), (9590, 30144), (10048, 28770), (10960, 26376), (10990, 26304), (11508, 25120), (12560, 23016), (13152, 21980), (13188, 21920), (13440, 21509), (14385, 20096), (15072, 19180), (15344, 18840), (16440, 17584), (16485, 17536)]