1665648640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 4245696000

約数和(自身を除く): 2580047360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 71, 79, 80, 116, 128, 142, 145, 158, 160, 232, 256, 284, 290, 316, 320, 355, 395, 464, 512, 568, 580, 632, 640, 710, 790, 928, 1024, 1136, 1160, 1264, 1280, 1420, 1580, 1856, 2048, 2059, 2272, 2291, 2320, 2528, 2560, 2840, 3160, 3712, 4118, 4544, 4582, 4640, 5056, 5120, 5609, 5680, 6320, 7424, 8236, 9088, 9164, 9280, 10112, 10240, 10295, 11218, 11360, 11455, 12640, 14848, 16472, 18176, 18328, 18560, 20224, 20590, 22436, 22720, 22910, 25280, 28045, 29696, 32944, 36352, 36656, 37120, 40448, 41180, 44872, 45440, 45820, 50560, 56090, 59392, 65888, 72704, 73312, 74240, 80896, 82360, 89744, 90880, 91640, 101120, 112180, 131776, 145408, 146624, 148480, 161792, 162661, 164720, 179488, 181760, 183280, 202240, 224360, 263552, 293248, 296960, 325322, 329440, 358976, 363520, 366560, 404480, 448720, 527104, 586496, 650644, 658880, 717952, 727040, 733120, 808960, 813305, 897440, 1054208, 1172992, 1301288, 1317760, 1435904, 1466240, 1626610, 1794880, 2108416, 2345984, 2602576, 2635520, 2871808, 2932480, 3253220, 3589760, 4216832, 4691968, 5205152, 5271040, 5743616, 5864960, 6506440, 7179520, 10410304, 10542080, 11487232, 11729920, 13012880, 14359040, 20820608, 21084160, 23459840, 26025760, 28718080, 41641216, 52051520, 57436160, 83282432, 104103040, 166564864, 208206080, 333129728, 416412160, 832824320, 1665648640]

約数ペア:

[(1, 1665648640), (2, 832824320), (4, 416412160), (5, 333129728), (8, 208206080), (10, 166564864), (16, 104103040), (20, 83282432), (29, 57436160), (32, 52051520), (40, 41641216), (58, 28718080), (64, 26025760), (71, 23459840), (79, 21084160), (80, 20820608), (116, 14359040), (128, 13012880), (142, 11729920), (145, 11487232), (158, 10542080), (160, 10410304), (232, 7179520), (256, 6506440), (284, 5864960), (290, 5743616), (316, 5271040), (320, 5205152), (355, 4691968), (395, 4216832), (464, 3589760), (512, 3253220), (568, 2932480), (580, 2871808), (632, 2635520), (640, 2602576), (710, 2345984), (790, 2108416), (928, 1794880), (1024, 1626610), (1136, 1466240), (1160, 1435904), (1264, 1317760), (1280, 1301288), (1420, 1172992), (1580, 1054208), (1856, 897440), (2048, 813305), (2059, 808960), (2272, 733120), (2291, 727040), (2320, 717952), (2528, 658880), (2560, 650644), (2840, 586496), (3160, 527104), (3712, 448720), (4118, 404480), (4544, 366560), (4582, 363520), (4640, 358976), (5056, 329440), (5120, 325322), (5609, 296960), (5680, 293248), (6320, 263552), (7424, 224360), (8236, 202240), (9088, 183280), (9164, 181760), (9280, 179488), (10112, 164720), (10240, 162661), (10295, 161792), (11218, 148480), (11360, 146624), (11455, 145408), (12640, 131776), (14848, 112180), (16472, 101120), (18176, 91640), (18328, 90880), (18560, 89744), (20224, 82360), (20590, 80896), (22436, 74240), (22720, 73312), (22910, 72704), (25280, 65888), (28045, 59392), (29696, 56090), (32944, 50560), (36352, 45820), (36656, 45440), (37120, 44872), (40448, 41180)]