21350318080

素因数分解:

$2^{18}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 304

約数和(自身を含む): 63417755520

約数和(自身を除く): 42067437440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 179, 182, 208, 224, 256, 260, 280, 320, 358, 364, 416, 448, 455, 512, 520, 560, 640, 716, 728, 832, 895, 896, 910, 1024, 1040, 1120, 1253, 1280, 1432, 1456, 1664, 1790, 1792, 1820, 2048, 2080, 2240, 2327, 2506, 2560, 2864, 2912, 3328, 3580, 3584, 3640, 4096, 4160, 4480, 4654, 5012, 5120, 5728, 5824, 6265, 6656, 7160, 7168, 7280, 8192, 8320, 8960, 9308, 10024, 10240, 11456, 11635, 11648, 12530, 13312, 14320, 14336, 14560, 16289, 16384, 16640, 17920, 18616, 20048, 20480, 22912, 23270, 23296, 25060, 26624, 28640, 28672, 29120, 32578, 32768, 33280, 35840, 37232, 40096, 40960, 45824, 46540, 46592, 50120, 53248, 57280, 57344, 58240, 65156, 65536, 66560, 71680, 74464, 80192, 81445, 81920, 91648, 93080, 93184, 100240, 106496, 114560, 114688, 116480, 130312, 131072, 133120, 143360, 148928, 160384, 162890, 163840, 183296, 186160, 186368, 200480, 212992, 229120, 229376, 232960, 260624, 262144, 266240, 286720, 297856, 320768, 325780, 327680, 366592, 372320, 372736, 400960, 425984, 458240, 458752, 465920, 521248, 532480, 573440, 595712, 641536, 651560, 655360, 733184, 744640, 745472, 801920, 851968, 916480, 917504, 931840, 1042496, 1064960, 1146880, 1191424, 1283072, 1303120, 1310720, 1466368, 1489280, 1490944, 1603840, 1703936, 1832960, 1835008, 1863680, 2084992, 2129920, 2293760, 2382848, 2566144, 2606240, 2932736, 2978560, 2981888, 3207680, 3407872, 3665920, 3727360, 4169984, 4259840, 4587520, 4765696, 5132288, 5212480, 5865472, 5957120, 5963776, 6415360, 7331840, 7454720, 8339968, 8519680, 9175040, 9531392, 10264576, 10424960, 11730944, 11914240, 11927552, 12830720, 14663680, 14909440, 16679936, 17039360, 19062784, 20529152, 20849920, 23461888, 23828480, 23855104, 25661440, 29327360, 29818880, 33359872, 38125568, 41058304, 41699840, 46923776, 47656960, 51322880, 58654720, 59637760, 66719744, 76251136, 82116608, 83399680, 95313920, 102645760, 117309440, 119275520, 133439488, 152502272, 164233216, 166799360, 190627840, 205291520, 234618880, 266878976, 305004544, 328466432, 333598720, 381255680, 410583040, 533757952, 610009088, 667197440, 762511360, 821166080, 1067515904, 1334394880, 1525022720, 1642332160, 2135031808, 2668789760, 3050045440, 4270063616, 5337579520, 10675159040, 21350318080]

約数ペア:

[(1, 21350318080), (2, 10675159040), (4, 5337579520), (5, 4270063616), (7, 3050045440), (8, 2668789760), (10, 2135031808), (13, 1642332160), (14, 1525022720), (16, 1334394880), (20, 1067515904), (26, 821166080), (28, 762511360), (32, 667197440), (35, 610009088), (40, 533757952), (52, 410583040), (56, 381255680), (64, 333598720), (65, 328466432), (70, 305004544), (80, 266878976), (91, 234618880), (104, 205291520), (112, 190627840), (128, 166799360), (130, 164233216), (140, 152502272), (160, 133439488), (179, 119275520), (182, 117309440), (208, 102645760), (224, 95313920), (256, 83399680), (260, 82116608), (280, 76251136), (320, 66719744), (358, 59637760), (364, 58654720), (416, 51322880), (448, 47656960), (455, 46923776), (512, 41699840), (520, 41058304), (560, 38125568), (640, 33359872), (716, 29818880), (728, 29327360), (832, 25661440), (895, 23855104), (896, 23828480), (910, 23461888), (1024, 20849920), (1040, 20529152), (1120, 19062784), (1253, 17039360), (1280, 16679936), (1432, 14909440), (1456, 14663680), (1664, 12830720), (1790, 11927552), (1792, 11914240), (1820, 11730944), (2048, 10424960), (2080, 10264576), (2240, 9531392), (2327, 9175040), (2506, 8519680), (2560, 8339968), (2864, 7454720), (2912, 7331840), (3328, 6415360), (3580, 5963776), (3584, 5957120), (3640, 5865472), (4096, 5212480), (4160, 5132288), (4480, 4765696), (4654, 4587520), (5012, 4259840), (5120, 4169984), (5728, 3727360), (5824, 3665920), (6265, 3407872), (6656, 3207680), (7160, 2981888), (7168, 2978560), (7280, 2932736), (8192, 2606240), (8320, 2566144), (8960, 2382848), (9308, 2293760), (10024, 2129920), (10240, 2084992), (11456, 1863680), (11635, 1835008), (11648, 1832960), (12530, 1703936), (13312, 1603840), (14320, 1490944), (14336, 1489280), (14560, 1466368), (16289, 1310720), (16384, 1303120), (16640, 1283072), (17920, 1191424), (18616, 1146880), (20048, 1064960), (20480, 1042496), (22912, 931840), (23270, 917504), (23296, 916480), (25060, 851968), (26624, 801920), (28640, 745472), (28672, 744640), (29120, 733184), (32578, 655360), (32768, 651560), (33280, 641536), (35840, 595712), (37232, 573440), (40096, 532480), (40960, 521248), (45824, 465920), (46540, 458752), (46592, 458240), (50120, 425984), (53248, 400960), (57280, 372736), (57344, 372320), (58240, 366592), (65156, 327680), (65536, 325780), (66560, 320768), (71680, 297856), (74464, 286720), (80192, 266240), (81445, 262144), (81920, 260624), (91648, 232960), (93080, 229376), (93184, 229120), (100240, 212992), (106496, 200480), (114560, 186368), (114688, 186160), (116480, 183296), (130312, 163840), (131072, 162890), (133120, 160384), (143360, 148928)]