20651120640

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:810

約数の個数: 384

約数和(自身を含む): 74169950400

約数和(自身を除く): 53518829760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 113, 120, 128, 135, 144, 160, 180, 192, 216, 226, 240, 256, 270, 288, 320, 339, 360, 384, 432, 452, 480, 512, 540, 565, 576, 640, 661, 678, 720, 768, 864, 904, 960, 1017, 1024, 1080, 1130, 1152, 1280, 1322, 1356, 1440, 1536, 1695, 1728, 1808, 1920, 1983, 2034, 2048, 2160, 2260, 2304, 2560, 2644, 2712, 2880, 3051, 3072, 3305, 3390, 3456, 3616, 3840, 3966, 4068, 4320, 4520, 4608, 5085, 5120, 5288, 5424, 5760, 5949, 6102, 6144, 6610, 6780, 6912, 7232, 7680, 7932, 8136, 8640, 9040, 9216, 9915, 10170, 10240, 10576, 10848, 11520, 11898, 12204, 13220, 13560, 13824, 14464, 15255, 15360, 15864, 16272, 17280, 17847, 18080, 18432, 19830, 20340, 21152, 21696, 23040, 23796, 24408, 26440, 27120, 27648, 28928, 29745, 30510, 30720, 31728, 32544, 34560, 35694, 36160, 39660, 40680, 42304, 43392, 46080, 47592, 48816, 52880, 54240, 55296, 57856, 59490, 61020, 63456, 65088, 69120, 71388, 72320, 74693, 79320, 81360, 84608, 86784, 89235, 92160, 95184, 97632, 105760, 108480, 115712, 118980, 122040, 126912, 130176, 138240, 142776, 144640, 149386, 158640, 162720, 169216, 173568, 178470, 190368, 195264, 211520, 216960, 224079, 231424, 237960, 244080, 253824, 260352, 276480, 285552, 289280, 298772, 317280, 325440, 338432, 347136, 356940, 373465, 380736, 390528, 423040, 433920, 448158, 475920, 488160, 507648, 520704, 571104, 578560, 597544, 634560, 650880, 672237, 676864, 694272, 713880, 746930, 761472, 781056, 846080, 867840, 896316, 951840, 976320, 1015296, 1041408, 1120395, 1142208, 1157120, 1195088, 1269120, 1301760, 1344474, 1353728, 1427760, 1493860, 1522944, 1562112, 1692160, 1735680, 1792632, 1903680, 1952640, 2016711, 2030592, 2082816, 2240790, 2284416, 2390176, 2538240, 2603520, 2688948, 2855520, 2987720, 3045888, 3124224, 3361185, 3384320, 3471360, 3585264, 3807360, 3905280, 4033422, 4061184, 4481580, 4568832, 4780352, 5076480, 5207040, 5377896, 5711040, 5975440, 6091776, 6248448, 6722370, 6768640, 7170528, 7614720, 7810560, 8066844, 8963160, 9137664, 9560704, 10083555, 10152960, 10414080, 10755792, 11422080, 11950880, 12183552, 13444740, 14341056, 15229440, 15621120, 16133688, 17926320, 18275328, 19121408, 20167110, 20305920, 21511584, 22844160, 23901760, 26889480, 28682112, 30458880, 31242240, 32267376, 35852640, 36550656, 38242816, 40334220, 43023168, 45688320, 47803520, 53778960, 57364224, 60917760, 64534752, 71705280, 76485632, 80668440, 86046336, 91376640, 95607040, 107557920, 114728448, 129069504, 143410560, 152971264, 161336880, 172092672, 182753280, 191214080, 215115840, 229456896, 258139008, 286821120, 322673760, 344185344, 382428160, 430231680, 458913792, 516278016, 573642240, 645347520, 688370688, 764856320, 860463360, 1032556032, 1147284480, 1290695040, 1376741376, 1720926720, 2065112064, 2294568960, 2581390080, 3441853440, 4130224128, 5162780160, 6883706880, 10325560320, 20651120640]

約数ペア:

[(1, 20651120640), (2, 10325560320), (3, 6883706880), (4, 5162780160), (5, 4130224128), (6, 3441853440), (8, 2581390080), (9, 2294568960), (10, 2065112064), (12, 1720926720), (15, 1376741376), (16, 1290695040), (18, 1147284480), (20, 1032556032), (24, 860463360), (27, 764856320), (30, 688370688), (32, 645347520), (36, 573642240), (40, 516278016), (45, 458913792), (48, 430231680), (54, 382428160), (60, 344185344), (64, 322673760), (72, 286821120), (80, 258139008), (90, 229456896), (96, 215115840), (108, 191214080), (113, 182753280), (120, 172092672), (128, 161336880), (135, 152971264), (144, 143410560), (160, 129069504), (180, 114728448), (192, 107557920), (216, 95607040), (226, 91376640), (240, 86046336), (256, 80668440), (270, 76485632), (288, 71705280), (320, 64534752), (339, 60917760), (360, 57364224), (384, 53778960), (432, 47803520), (452, 45688320), (480, 43023168), (512, 40334220), (540, 38242816), (565, 36550656), (576, 35852640), (640, 32267376), (661, 31242240), (678, 30458880), (720, 28682112), (768, 26889480), (864, 23901760), (904, 22844160), (960, 21511584), (1017, 20305920), (1024, 20167110), (1080, 19121408), (1130, 18275328), (1152, 17926320), (1280, 16133688), (1322, 15621120), (1356, 15229440), (1440, 14341056), (1536, 13444740), (1695, 12183552), (1728, 11950880), (1808, 11422080), (1920, 10755792), (1983, 10414080), (2034, 10152960), (2048, 10083555), (2160, 9560704), (2260, 9137664), (2304, 8963160), (2560, 8066844), (2644, 7810560), (2712, 7614720), (2880, 7170528), (3051, 6768640), (3072, 6722370), (3305, 6248448), (3390, 6091776), (3456, 5975440), (3616, 5711040), (3840, 5377896), (3966, 5207040), (4068, 5076480), (4320, 4780352), (4520, 4568832), (4608, 4481580), (5085, 4061184), (5120, 4033422), (5288, 3905280), (5424, 3807360), (5760, 3585264), (5949, 3471360), (6102, 3384320), (6144, 3361185), (6610, 3124224), (6780, 3045888), (6912, 2987720), (7232, 2855520), (7680, 2688948), (7932, 2603520), (8136, 2538240), (8640, 2390176), (9040, 2284416), (9216, 2240790), (9915, 2082816), (10170, 2030592), (10240, 2016711), (10576, 1952640), (10848, 1903680), (11520, 1792632), (11898, 1735680), (12204, 1692160), (13220, 1562112), (13560, 1522944), (13824, 1493860), (14464, 1427760), (15255, 1353728), (15360, 1344474), (15864, 1301760), (16272, 1269120), (17280, 1195088), (17847, 1157120), (18080, 1142208), (18432, 1120395), (19830, 1041408), (20340, 1015296), (21152, 976320), (21696, 951840), (23040, 896316), (23796, 867840), (24408, 846080), (26440, 781056), (27120, 761472), (27648, 746930), (28928, 713880), (29745, 694272), (30510, 676864), (30720, 672237), (31728, 650880), (32544, 634560), (34560, 597544), (35694, 578560), (36160, 571104), (39660, 520704), (40680, 507648), (42304, 488160), (43392, 475920), (46080, 448158), (47592, 433920), (48816, 423040), (52880, 390528), (54240, 380736), (55296, 373465), (57856, 356940), (59490, 347136), (61020, 338432), (63456, 325440), (65088, 317280), (69120, 298772), (71388, 289280), (72320, 285552), (74693, 276480), (79320, 260352), (81360, 253824), (84608, 244080), (86784, 237960), (89235, 231424), (92160, 224079), (95184, 216960), (97632, 211520), (105760, 195264), (108480, 190368), (115712, 178470), (118980, 173568), (122040, 169216), (126912, 162720), (130176, 158640), (138240, 149386), (142776, 144640)]