1720880640

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 400

約数和(自身を含む): 6339670128

約数和(自身を除く): 4618789488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 81, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 162, 172, 180, 192, 193, 215, 216, 240, 256, 258, 270, 288, 320, 324, 344, 360, 384, 386, 387, 405, 430, 432, 480, 512, 516, 540, 576, 579, 640, 645, 648, 688, 720, 768, 772, 774, 810, 860, 864, 960, 965, 1032, 1080, 1152, 1158, 1161, 1280, 1290, 1296, 1376, 1440, 1536, 1544, 1548, 1620, 1720, 1728, 1737, 1920, 1930, 1935, 2064, 2160, 2304, 2316, 2322, 2560, 2580, 2592, 2752, 2880, 2895, 3088, 3096, 3240, 3440, 3456, 3474, 3483, 3840, 3860, 3870, 4128, 4320, 4608, 4632, 4644, 5160, 5184, 5211, 5504, 5760, 5790, 5805, 6176, 6192, 6480, 6880, 6912, 6948, 6966, 7680, 7720, 7740, 8256, 8299, 8640, 8685, 9264, 9288, 10320, 10368, 10422, 11008, 11520, 11580, 11610, 12352, 12384, 12960, 13760, 13824, 13896, 13932, 15440, 15480, 15633, 16512, 16598, 17280, 17370, 17415, 18528, 18576, 20640, 20736, 20844, 22016, 23040, 23160, 23220, 24704, 24768, 24897, 25920, 26055, 27520, 27792, 27864, 30880, 30960, 31266, 33024, 33196, 34560, 34740, 34830, 37056, 37152, 41280, 41472, 41495, 41688, 46320, 46440, 49408, 49536, 49794, 51840, 52110, 55040, 55584, 55728, 61760, 61920, 62532, 66048, 66392, 69120, 69480, 69660, 74112, 74304, 74691, 78165, 82560, 82990, 83376, 92640, 92880, 98816, 99072, 99588, 103680, 104220, 110080, 111168, 111456, 123520, 123840, 124485, 125064, 132784, 138960, 139320, 148224, 148608, 149382, 156330, 165120, 165980, 166752, 185280, 185760, 198144, 199176, 207360, 208440, 222336, 222912, 224073, 247040, 247680, 248970, 250128, 265568, 277920, 278640, 296448, 297216, 298764, 312660, 330240, 331960, 333504, 370560, 371520, 373455, 398352, 416880, 444672, 445824, 448146, 494080, 495360, 497940, 500256, 531136, 555840, 557280, 594432, 597528, 625320, 663920, 667008, 672219, 741120, 743040, 746910, 796704, 833760, 889344, 891648, 896292, 990720, 995880, 1000512, 1062272, 1111680, 1114560, 1120365, 1195056, 1250640, 1327840, 1334016, 1344438, 1482240, 1486080, 1493820, 1593408, 1667520, 1783296, 1792584, 1991760, 2001024, 2124544, 2223360, 2229120, 2240730, 2390112, 2501280, 2655680, 2668032, 2688876, 2972160, 2987640, 3186816, 3335040, 3361095, 3585168, 3983520, 4002048, 4249088, 4446720, 4458240, 4481460, 4780224, 5002560, 5311360, 5377752, 5975280, 6373632, 6670080, 6722190, 7170336, 7967040, 8004096, 8916480, 8962920, 9560448, 10005120, 10622720, 10755504, 11950560, 12747264, 13340160, 13444380, 14340672, 15934080, 17925840, 19120896, 20010240, 21245440, 21511008, 23901120, 26888760, 28681344, 31868160, 35851680, 38241792, 40020480, 43022016, 47802240, 53777520, 57362688, 63736320, 71703360, 86044032, 95604480, 107555040, 114725376, 143406720, 172088064, 191208960, 215110080, 286813440, 344176128, 430220160, 573626880, 860440320, 1720880640]

約数ペア:

[(1, 1720880640), (2, 860440320), (3, 573626880), (4, 430220160), (5, 344176128), (6, 286813440), (8, 215110080), (9, 191208960), (10, 172088064), (12, 143406720), (15, 114725376), (16, 107555040), (18, 95604480), (20, 86044032), (24, 71703360), (27, 63736320), (30, 57362688), (32, 53777520), (36, 47802240), (40, 43022016), (43, 40020480), (45, 38241792), (48, 35851680), (54, 31868160), (60, 28681344), (64, 26888760), (72, 23901120), (80, 21511008), (81, 21245440), (86, 20010240), (90, 19120896), (96, 17925840), (108, 15934080), (120, 14340672), (128, 13444380), (129, 13340160), (135, 12747264), (144, 11950560), (160, 10755504), (162, 10622720), (172, 10005120), (180, 9560448), (192, 8962920), (193, 8916480), (215, 8004096), (216, 7967040), (240, 7170336), (256, 6722190), (258, 6670080), (270, 6373632), (288, 5975280), (320, 5377752), (324, 5311360), (344, 5002560), (360, 4780224), (384, 4481460), (386, 4458240), (387, 4446720), (405, 4249088), (430, 4002048), (432, 3983520), (480, 3585168), (512, 3361095), (516, 3335040), (540, 3186816), (576, 2987640), (579, 2972160), (640, 2688876), (645, 2668032), (648, 2655680), (688, 2501280), (720, 2390112), (768, 2240730), (772, 2229120), (774, 2223360), (810, 2124544), (860, 2001024), (864, 1991760), (960, 1792584), (965, 1783296), (1032, 1667520), (1080, 1593408), (1152, 1493820), (1158, 1486080), (1161, 1482240), (1280, 1344438), (1290, 1334016), (1296, 1327840), (1376, 1250640), (1440, 1195056), (1536, 1120365), (1544, 1114560), (1548, 1111680), (1620, 1062272), (1720, 1000512), (1728, 995880), (1737, 990720), (1920, 896292), (1930, 891648), (1935, 889344), (2064, 833760), (2160, 796704), (2304, 746910), (2316, 743040), (2322, 741120), (2560, 672219), (2580, 667008), (2592, 663920), (2752, 625320), (2880, 597528), (2895, 594432), (3088, 557280), (3096, 555840), (3240, 531136), (3440, 500256), (3456, 497940), (3474, 495360), (3483, 494080), (3840, 448146), (3860, 445824), (3870, 444672), (4128, 416880), (4320, 398352), (4608, 373455), (4632, 371520), (4644, 370560), (5160, 333504), (5184, 331960), (5211, 330240), (5504, 312660), (5760, 298764), (5790, 297216), (5805, 296448), (6176, 278640), (6192, 277920), (6480, 265568), (6880, 250128), (6912, 248970), (6948, 247680), (6966, 247040), (7680, 224073), (7720, 222912), (7740, 222336), (8256, 208440), (8299, 207360), (8640, 199176), (8685, 198144), (9264, 185760), (9288, 185280), (10320, 166752), (10368, 165980), (10422, 165120), (11008, 156330), (11520, 149382), (11580, 148608), (11610, 148224), (12352, 139320), (12384, 138960), (12960, 132784), (13760, 125064), (13824, 124485), (13896, 123840), (13932, 123520), (15440, 111456), (15480, 111168), (15633, 110080), (16512, 104220), (16598, 103680), (17280, 99588), (17370, 99072), (17415, 98816), (18528, 92880), (18576, 92640), (20640, 83376), (20736, 82990), (20844, 82560), (22016, 78165), (23040, 74691), (23160, 74304), (23220, 74112), (24704, 69660), (24768, 69480), (24897, 69120), (25920, 66392), (26055, 66048), (27520, 62532), (27792, 61920), (27864, 61760), (30880, 55728), (30960, 55584), (31266, 55040), (33024, 52110), (33196, 51840), (34560, 49794), (34740, 49536), (34830, 49408), (37056, 46440), (37152, 46320), (41280, 41688), (41472, 41495)]