216810720

素因数分解:

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

素因数の和:322

約数の個数: 288

約数和(自身を含む): 857158848

約数和(自身を除く): 640348128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 137, 140, 144, 157, 160, 168, 180, 210, 224, 240, 252, 274, 280, 288, 314, 315, 336, 360, 411, 420, 471, 480, 504, 548, 560, 628, 630, 672, 685, 720, 785, 822, 840, 942, 959, 1008, 1096, 1099, 1120, 1233, 1256, 1260, 1370, 1413, 1440, 1570, 1644, 1680, 1884, 1918, 2016, 2055, 2192, 2198, 2355, 2466, 2512, 2520, 2740, 2826, 2877, 3140, 3288, 3297, 3360, 3768, 3836, 4110, 4384, 4396, 4710, 4795, 4932, 5024, 5040, 5480, 5495, 5652, 5754, 6165, 6280, 6576, 6594, 7065, 7536, 7672, 8220, 8631, 8792, 9420, 9590, 9864, 9891, 10080, 10960, 10990, 11304, 11508, 12330, 12560, 13152, 13188, 14130, 14385, 15072, 15344, 16440, 16485, 17262, 17584, 18840, 19180, 19728, 19782, 21509, 21920, 21980, 22608, 23016, 24660, 25120, 26376, 28260, 28770, 30688, 32880, 32970, 34524, 35168, 37680, 38360, 39456, 39564, 43018, 43155, 43960, 45216, 46032, 49320, 49455, 52752, 56520, 57540, 64527, 65760, 65940, 69048, 75360, 76720, 79128, 86036, 86310, 87920, 92064, 98640, 98910, 105504, 107545, 113040, 115080, 129054, 131880, 138096, 150563, 153440, 158256, 172072, 172620, 175840, 193581, 197280, 197820, 215090, 226080, 230160, 258108, 263760, 276192, 301126, 316512, 322635, 344144, 345240, 387162, 395640, 430180, 451689, 460320, 516216, 527520, 602252, 645270, 688288, 690480, 752815, 774324, 791280, 860360, 903378, 967905, 1032432, 1204504, 1290540, 1355067, 1380960, 1505630, 1548648, 1582560, 1720720, 1806756, 1935810, 2064864, 2258445, 2409008, 2581080, 2710134, 3011260, 3097296, 3441440, 3613512, 3871620, 4516890, 4818016, 5162160, 5420268, 6022520, 6194592, 6775335, 7227024, 7743240, 9033780, 10324320, 10840536, 12045040, 13550670, 14454048, 15486480, 18067560, 21681072, 24090080, 27101340, 30972960, 36135120, 43362144, 54202680, 72270240, 108405360, 216810720]

約数ペア:

[(1, 216810720), (2, 108405360), (3, 72270240), (4, 54202680), (5, 43362144), (6, 36135120), (7, 30972960), (8, 27101340), (9, 24090080), (10, 21681072), (12, 18067560), (14, 15486480), (15, 14454048), (16, 13550670), (18, 12045040), (20, 10840536), (21, 10324320), (24, 9033780), (28, 7743240), (30, 7227024), (32, 6775335), (35, 6194592), (36, 6022520), (40, 5420268), (42, 5162160), (45, 4818016), (48, 4516890), (56, 3871620), (60, 3613512), (63, 3441440), (70, 3097296), (72, 3011260), (80, 2710134), (84, 2581080), (90, 2409008), (96, 2258445), (105, 2064864), (112, 1935810), (120, 1806756), (126, 1720720), (137, 1582560), (140, 1548648), (144, 1505630), (157, 1380960), (160, 1355067), (168, 1290540), (180, 1204504), (210, 1032432), (224, 967905), (240, 903378), (252, 860360), (274, 791280), (280, 774324), (288, 752815), (314, 690480), (315, 688288), (336, 645270), (360, 602252), (411, 527520), (420, 516216), (471, 460320), (480, 451689), (504, 430180), (548, 395640), (560, 387162), (628, 345240), (630, 344144), (672, 322635), (685, 316512), (720, 301126), (785, 276192), (822, 263760), (840, 258108), (942, 230160), (959, 226080), (1008, 215090), (1096, 197820), (1099, 197280), (1120, 193581), (1233, 175840), (1256, 172620), (1260, 172072), (1370, 158256), (1413, 153440), (1440, 150563), (1570, 138096), (1644, 131880), (1680, 129054), (1884, 115080), (1918, 113040), (2016, 107545), (2055, 105504), (2192, 98910), (2198, 98640), (2355, 92064), (2466, 87920), (2512, 86310), (2520, 86036), (2740, 79128), (2826, 76720), (2877, 75360), (3140, 69048), (3288, 65940), (3297, 65760), (3360, 64527), (3768, 57540), (3836, 56520), (4110, 52752), (4384, 49455), (4396, 49320), (4710, 46032), (4795, 45216), (4932, 43960), (5024, 43155), (5040, 43018), (5480, 39564), (5495, 39456), (5652, 38360), (5754, 37680), (6165, 35168), (6280, 34524), (6576, 32970), (6594, 32880), (7065, 30688), (7536, 28770), (7672, 28260), (8220, 26376), (8631, 25120), (8792, 24660), (9420, 23016), (9590, 22608), (9864, 21980), (9891, 21920), (10080, 21509), (10960, 19782), (10990, 19728), (11304, 19180), (11508, 18840), (12330, 17584), (12560, 17262), (13152, 16485), (13188, 16440), (14130, 15344), (14385, 15072)]