31817280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 224

約数和(自身を含む): 115872768

約数和(自身を除く): 84055488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 131, 132, 138, 160, 165, 176, 184, 192, 220, 230, 240, 253, 262, 264, 276, 320, 330, 345, 352, 368, 393, 440, 460, 480, 506, 524, 528, 552, 655, 660, 690, 704, 736, 759, 786, 880, 920, 960, 1012, 1048, 1056, 1104, 1265, 1310, 1320, 1380, 1441, 1472, 1518, 1572, 1760, 1840, 1965, 2024, 2096, 2112, 2208, 2530, 2620, 2640, 2760, 2882, 3013, 3036, 3144, 3520, 3680, 3795, 3930, 4048, 4192, 4323, 4416, 5060, 5240, 5280, 5520, 5764, 6026, 6072, 6288, 7205, 7360, 7590, 7860, 8096, 8384, 8646, 9039, 10120, 10480, 10560, 11040, 11528, 12052, 12144, 12576, 14410, 15065, 15180, 15720, 16192, 17292, 18078, 20240, 20960, 21615, 22080, 23056, 24104, 24288, 25152, 28820, 30130, 30360, 31440, 33143, 34584, 36156, 40480, 41920, 43230, 45195, 46112, 48208, 48576, 57640, 60260, 60720, 62880, 66286, 69168, 72312, 80960, 86460, 90390, 92224, 96416, 99429, 115280, 120520, 121440, 125760, 132572, 138336, 144624, 165715, 172920, 180780, 192832, 198858, 230560, 241040, 242880, 265144, 276672, 289248, 331430, 345840, 361560, 397716, 461120, 482080, 497145, 530288, 578496, 662860, 691680, 723120, 795432, 964160, 994290, 1060576, 1325720, 1383360, 1446240, 1590864, 1988580, 2121152, 2651440, 2892480, 3181728, 3977160, 5302880, 6363456, 7954320, 10605760, 15908640, 31817280]

約数ペア:

[(1, 31817280), (2, 15908640), (3, 10605760), (4, 7954320), (5, 6363456), (6, 5302880), (8, 3977160), (10, 3181728), (11, 2892480), (12, 2651440), (15, 2121152), (16, 1988580), (20, 1590864), (22, 1446240), (23, 1383360), (24, 1325720), (30, 1060576), (32, 994290), (33, 964160), (40, 795432), (44, 723120), (46, 691680), (48, 662860), (55, 578496), (60, 530288), (64, 497145), (66, 482080), (69, 461120), (80, 397716), (88, 361560), (92, 345840), (96, 331430), (110, 289248), (115, 276672), (120, 265144), (131, 242880), (132, 241040), (138, 230560), (160, 198858), (165, 192832), (176, 180780), (184, 172920), (192, 165715), (220, 144624), (230, 138336), (240, 132572), (253, 125760), (262, 121440), (264, 120520), (276, 115280), (320, 99429), (330, 96416), (345, 92224), (352, 90390), (368, 86460), (393, 80960), (440, 72312), (460, 69168), (480, 66286), (506, 62880), (524, 60720), (528, 60260), (552, 57640), (655, 48576), (660, 48208), (690, 46112), (704, 45195), (736, 43230), (759, 41920), (786, 40480), (880, 36156), (920, 34584), (960, 33143), (1012, 31440), (1048, 30360), (1056, 30130), (1104, 28820), (1265, 25152), (1310, 24288), (1320, 24104), (1380, 23056), (1441, 22080), (1472, 21615), (1518, 20960), (1572, 20240), (1760, 18078), (1840, 17292), (1965, 16192), (2024, 15720), (2096, 15180), (2112, 15065), (2208, 14410), (2530, 12576), (2620, 12144), (2640, 12052), (2760, 11528), (2882, 11040), (3013, 10560), (3036, 10480), (3144, 10120), (3520, 9039), (3680, 8646), (3795, 8384), (3930, 8096), (4048, 7860), (4192, 7590), (4323, 7360), (4416, 7205), (5060, 6288), (5240, 6072), (5280, 6026), (5520, 5764)]