217660960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:351

約数の個数: 192

約数和(自身を含む): 618347520

約数和(自身を除く): 400686560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 32, 38, 40, 44, 46, 55, 76, 80, 88, 92, 95, 110, 115, 152, 160, 176, 184, 190, 209, 220, 230, 253, 283, 304, 352, 368, 380, 418, 437, 440, 460, 506, 566, 608, 736, 760, 836, 874, 880, 920, 1012, 1045, 1132, 1265, 1415, 1520, 1672, 1748, 1760, 1840, 2024, 2090, 2185, 2264, 2530, 2830, 3040, 3113, 3344, 3496, 3680, 4048, 4180, 4370, 4528, 4807, 5060, 5377, 5660, 6226, 6509, 6688, 6992, 8096, 8360, 8740, 9056, 9614, 10120, 10754, 11320, 12452, 13018, 13984, 15565, 16720, 17480, 19228, 20240, 21508, 22640, 24035, 24904, 26036, 26885, 31130, 32545, 33440, 34960, 38456, 40480, 43016, 45280, 48070, 49808, 52072, 53770, 59147, 62260, 65090, 69920, 71599, 76912, 86032, 96140, 99616, 104144, 107540, 118294, 123671, 124520, 130180, 143198, 153824, 172064, 192280, 208288, 215080, 236588, 247342, 249040, 260360, 286396, 295735, 357995, 384560, 430160, 473176, 494684, 498080, 520720, 572792, 591470, 618355, 715990, 769120, 860320, 946352, 989368, 1041440, 1145584, 1182940, 1236710, 1360381, 1431980, 1892704, 1978736, 2291168, 2365880, 2473420, 2720762, 2863960, 3957472, 4731760, 4946840, 5441524, 5727920, 6801905, 9463520, 9893680, 10883048, 11455840, 13603810, 19787360, 21766096, 27207620, 43532192, 54415240, 108830480, 217660960]

約数ペア:

[(1, 217660960), (2, 108830480), (4, 54415240), (5, 43532192), (8, 27207620), (10, 21766096), (11, 19787360), (16, 13603810), (19, 11455840), (20, 10883048), (22, 9893680), (23, 9463520), (32, 6801905), (38, 5727920), (40, 5441524), (44, 4946840), (46, 4731760), (55, 3957472), (76, 2863960), (80, 2720762), (88, 2473420), (92, 2365880), (95, 2291168), (110, 1978736), (115, 1892704), (152, 1431980), (160, 1360381), (176, 1236710), (184, 1182940), (190, 1145584), (209, 1041440), (220, 989368), (230, 946352), (253, 860320), (283, 769120), (304, 715990), (352, 618355), (368, 591470), (380, 572792), (418, 520720), (437, 498080), (440, 494684), (460, 473176), (506, 430160), (566, 384560), (608, 357995), (736, 295735), (760, 286396), (836, 260360), (874, 249040), (880, 247342), (920, 236588), (1012, 215080), (1045, 208288), (1132, 192280), (1265, 172064), (1415, 153824), (1520, 143198), (1672, 130180), (1748, 124520), (1760, 123671), (1840, 118294), (2024, 107540), (2090, 104144), (2185, 99616), (2264, 96140), (2530, 86032), (2830, 76912), (3040, 71599), (3113, 69920), (3344, 65090), (3496, 62260), (3680, 59147), (4048, 53770), (4180, 52072), (4370, 49808), (4528, 48070), (4807, 45280), (5060, 43016), (5377, 40480), (5660, 38456), (6226, 34960), (6509, 33440), (6688, 32545), (6992, 31130), (8096, 26885), (8360, 26036), (8740, 24904), (9056, 24035), (9614, 22640), (10120, 21508), (10754, 20240), (11320, 19228), (12452, 17480), (13018, 16720), (13984, 15565)]