20457185280

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1457

約数の個数: 448

約数和(自身を含む): 79267507200

約数和(自身を除く): 58810321920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 256, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 512, 544, 560, 595, 640, 672, 680, 714, 768, 816, 840, 896, 952, 960, 1020, 1024, 1088, 1120, 1190, 1280, 1344, 1360, 1399, 1428, 1536, 1632, 1680, 1785, 1792, 1904, 1920, 2040, 2048, 2176, 2240, 2380, 2560, 2688, 2720, 2798, 2856, 3072, 3264, 3360, 3570, 3584, 3808, 3840, 4080, 4096, 4197, 4352, 4480, 4760, 5120, 5376, 5440, 5596, 5712, 6144, 6528, 6720, 6995, 7140, 7168, 7616, 7680, 8160, 8192, 8394, 8704, 8960, 9520, 9793, 10240, 10752, 10880, 11192, 11424, 12288, 13056, 13440, 13990, 14280, 14336, 15232, 15360, 16320, 16788, 17408, 17920, 19040, 19586, 20480, 20985, 21504, 21760, 22384, 22848, 23783, 24576, 26112, 26880, 27980, 28560, 28672, 29379, 30464, 30720, 32640, 33576, 34816, 35840, 38080, 39172, 40960, 41970, 43008, 43520, 44768, 45696, 47566, 48965, 52224, 53760, 55960, 57120, 57344, 58758, 60928, 61440, 65280, 67152, 69632, 71349, 71680, 76160, 78344, 83940, 86016, 87040, 89536, 91392, 95132, 97930, 104448, 107520, 111920, 114240, 117516, 118915, 121856, 122880, 130560, 134304, 139264, 142698, 143360, 146895, 152320, 156688, 166481, 167880, 172032, 174080, 179072, 182784, 190264, 195860, 208896, 215040, 223840, 228480, 235032, 237830, 243712, 261120, 268608, 285396, 286720, 293790, 304640, 313376, 332962, 335760, 348160, 356745, 358144, 365568, 380528, 391720, 417792, 430080, 447680, 456960, 470064, 475660, 487424, 499443, 522240, 537216, 570792, 587580, 609280, 626752, 665924, 671520, 696320, 713490, 716288, 731136, 761056, 783440, 832405, 860160, 895360, 913920, 940128, 951320, 974848, 998886, 1044480, 1074432, 1141584, 1175160, 1218560, 1253504, 1331848, 1343040, 1426980, 1432576, 1462272, 1522112, 1566880, 1664810, 1790720, 1827840, 1880256, 1902640, 1997772, 2088960, 2148864, 2283168, 2350320, 2437120, 2497215, 2507008, 2663696, 2686080, 2853960, 2865152, 2924544, 3044224, 3133760, 3329620, 3581440, 3655680, 3760512, 3805280, 3995544, 4297728, 4566336, 4700640, 4874240, 4994430, 5014016, 5327392, 5372160, 5707920, 5730304, 6088448, 6267520, 6659240, 7162880, 7311360, 7521024, 7610560, 7991088, 8595456, 9132672, 9401280, 9988860, 10028032, 10654784, 10744320, 11415840, 11460608, 12176896, 12535040, 13318480, 14325760, 14622720, 15042048, 15221120, 15982176, 17190912, 18265344, 18802560, 19977720, 20056064, 21309568, 21488640, 22831680, 24353792, 25070080, 26636960, 28651520, 30084096, 30442240, 31964352, 34381824, 36530688, 37605120, 39955440, 40112128, 42619136, 42977280, 45663360, 48707584, 50140160, 53273920, 57303040, 60168192, 60884480, 63928704, 73061376, 75210240, 79910880, 80224256, 85238272, 85954560, 91326720, 97415168, 100280320, 106547840, 120336384, 121768960, 127857408, 146122752, 150420480, 159821760, 170476544, 171909120, 182653440, 194830336, 200560640, 213095680, 240672768, 243537920, 255714816, 292245504, 300840960, 319643520, 340953088, 365306880, 401121280, 426191360, 487075840, 511429632, 584491008, 601681920, 639287040, 681906176, 730613760, 852382720, 974151680, 1022859264, 1203363840, 1278574080, 1363812352, 1461227520, 1704765440, 2045718528, 2557148160, 2922455040, 3409530880, 4091437056, 5114296320, 6819061760, 10228592640, 20457185280]

約数ペア:

[(1, 20457185280), (2, 10228592640), (3, 6819061760), (4, 5114296320), (5, 4091437056), (6, 3409530880), (7, 2922455040), (8, 2557148160), (10, 2045718528), (12, 1704765440), (14, 1461227520), (15, 1363812352), (16, 1278574080), (17, 1203363840), (20, 1022859264), (21, 974151680), (24, 852382720), (28, 730613760), (30, 681906176), (32, 639287040), (34, 601681920), (35, 584491008), (40, 511429632), (42, 487075840), (48, 426191360), (51, 401121280), (56, 365306880), (60, 340953088), (64, 319643520), (68, 300840960), (70, 292245504), (80, 255714816), (84, 243537920), (85, 240672768), (96, 213095680), (102, 200560640), (105, 194830336), (112, 182653440), (119, 171909120), (120, 170476544), (128, 159821760), (136, 150420480), (140, 146122752), (160, 127857408), (168, 121768960), (170, 120336384), (192, 106547840), (204, 100280320), (210, 97415168), (224, 91326720), (238, 85954560), (240, 85238272), (255, 80224256), (256, 79910880), (272, 75210240), (280, 73061376), (320, 63928704), (336, 60884480), (340, 60168192), (357, 57303040), (384, 53273920), (408, 50140160), (420, 48707584), (448, 45663360), (476, 42977280), (480, 42619136), (510, 40112128), (512, 39955440), (544, 37605120), (560, 36530688), (595, 34381824), (640, 31964352), (672, 30442240), (680, 30084096), (714, 28651520), (768, 26636960), (816, 25070080), (840, 24353792), (896, 22831680), (952, 21488640), (960, 21309568), (1020, 20056064), (1024, 19977720), (1088, 18802560), (1120, 18265344), (1190, 17190912), (1280, 15982176), (1344, 15221120), (1360, 15042048), (1399, 14622720), (1428, 14325760), (1536, 13318480), (1632, 12535040), (1680, 12176896), (1785, 11460608), (1792, 11415840), (1904, 10744320), (1920, 10654784), (2040, 10028032), (2048, 9988860), (2176, 9401280), (2240, 9132672), (2380, 8595456), (2560, 7991088), (2688, 7610560), (2720, 7521024), (2798, 7311360), (2856, 7162880), (3072, 6659240), (3264, 6267520), (3360, 6088448), (3570, 5730304), (3584, 5707920), (3808, 5372160), (3840, 5327392), (4080, 5014016), (4096, 4994430), (4197, 4874240), (4352, 4700640), (4480, 4566336), (4760, 4297728), (5120, 3995544), (5376, 3805280), (5440, 3760512), (5596, 3655680), (5712, 3581440), (6144, 3329620), (6528, 3133760), (6720, 3044224), (6995, 2924544), (7140, 2865152), (7168, 2853960), (7616, 2686080), (7680, 2663696), (8160, 2507008), (8192, 2497215), (8394, 2437120), (8704, 2350320), (8960, 2283168), (9520, 2148864), (9793, 2088960), (10240, 1997772), (10752, 1902640), (10880, 1880256), (11192, 1827840), (11424, 1790720), (12288, 1664810), (13056, 1566880), (13440, 1522112), (13990, 1462272), (14280, 1432576), (14336, 1426980), (15232, 1343040), (15360, 1331848), (16320, 1253504), (16788, 1218560), (17408, 1175160), (17920, 1141584), (19040, 1074432), (19586, 1044480), (20480, 998886), (20985, 974848), (21504, 951320), (21760, 940128), (22384, 913920), (22848, 895360), (23783, 860160), (24576, 832405), (26112, 783440), (26880, 761056), (27980, 731136), (28560, 716288), (28672, 713490), (29379, 696320), (30464, 671520), (30720, 665924), (32640, 626752), (33576, 609280), (34816, 587580), (35840, 570792), (38080, 537216), (39172, 522240), (40960, 499443), (41970, 487424), (43008, 475660), (43520, 470064), (44768, 456960), (45696, 447680), (47566, 430080), (48965, 417792), (52224, 391720), (53760, 380528), (55960, 365568), (57120, 358144), (57344, 356745), (58758, 348160), (60928, 335760), (61440, 332962), (65280, 313376), (67152, 304640), (69632, 293790), (71349, 286720), (71680, 285396), (76160, 268608), (78344, 261120), (83940, 243712), (86016, 237830), (87040, 235032), (89536, 228480), (91392, 223840), (95132, 215040), (97930, 208896), (104448, 195860), (107520, 190264), (111920, 182784), (114240, 179072), (117516, 174080), (118915, 172032), (121856, 167880), (122880, 166481), (130560, 156688), (134304, 152320), (139264, 146895), (142698, 143360)]