20823045120

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3251}}^1$

素因数の和:3421

約数の個数: 264

約数和(自身を含む): 72692736480

約数和(自身を除く): 51869691360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 417, 480, 512, 556, 576, 640, 695, 720, 768, 834, 960, 1024, 1112, 1152, 1251, 1280, 1390, 1440, 1536, 1668, 1920, 2085, 2224, 2304, 2502, 2560, 2780, 2880, 3072, 3251, 3336, 3840, 4170, 4448, 4608, 5004, 5120, 5560, 5760, 6255, 6502, 6672, 7680, 8340, 8896, 9216, 9753, 10008, 11120, 11520, 12510, 13004, 13344, 15360, 16255, 16680, 17792, 19506, 20016, 22240, 23040, 25020, 26008, 26688, 29259, 32510, 33360, 35584, 39012, 40032, 44480, 46080, 48765, 50040, 52016, 53376, 58518, 65020, 66720, 71168, 78024, 80064, 88960, 97530, 100080, 104032, 106752, 117036, 130040, 133440, 142336, 146295, 156048, 160128, 177920, 195060, 200160, 208064, 213504, 234072, 260080, 266880, 292590, 312096, 320256, 355840, 390120, 400320, 416128, 427008, 451889, 468144, 520160, 533760, 585180, 624192, 640512, 711680, 780240, 800640, 832256, 903778, 936288, 1040320, 1067520, 1170360, 1248384, 1281024, 1355667, 1560480, 1601280, 1664512, 1807556, 1872576, 2080640, 2135040, 2259445, 2340720, 2496768, 2711334, 3120960, 3202560, 3329024, 3615112, 3745152, 4067001, 4161280, 4518890, 4681440, 4993536, 5422668, 6241920, 6405120, 6778335, 7230224, 7490304, 8134002, 8322560, 9037780, 9362880, 9987072, 10845336, 12483840, 13556670, 14460448, 14980608, 16268004, 16645120, 18075560, 18725760, 20335005, 21690672, 24967680, 27113340, 28920896, 29961216, 32536008, 36151120, 37451520, 40670010, 43381344, 49935360, 54226680, 57841792, 65072016, 72302240, 74903040, 81340020, 86762688, 108453360, 115683584, 130144032, 144604480, 149806080, 162680040, 173525376, 216906720, 231367168, 260288064, 289208960, 325360080, 347050752, 433813440, 462734336, 520576128, 578417920, 650720160, 694101504, 867626880, 1041152256, 1156835840, 1301440320, 1388203008, 1735253760, 2082304512, 2313671680, 2602880640, 3470507520, 4164609024, 5205761280, 6941015040, 10411522560, 20823045120]

約数ペア:

[(1, 20823045120), (2, 10411522560), (3, 6941015040), (4, 5205761280), (5, 4164609024), (6, 3470507520), (8, 2602880640), (9, 2313671680), (10, 2082304512), (12, 1735253760), (15, 1388203008), (16, 1301440320), (18, 1156835840), (20, 1041152256), (24, 867626880), (30, 694101504), (32, 650720160), (36, 578417920), (40, 520576128), (45, 462734336), (48, 433813440), (60, 347050752), (64, 325360080), (72, 289208960), (80, 260288064), (90, 231367168), (96, 216906720), (120, 173525376), (128, 162680040), (139, 149806080), (144, 144604480), (160, 130144032), (180, 115683584), (192, 108453360), (240, 86762688), (256, 81340020), (278, 74903040), (288, 72302240), (320, 65072016), (360, 57841792), (384, 54226680), (417, 49935360), (480, 43381344), (512, 40670010), (556, 37451520), (576, 36151120), (640, 32536008), (695, 29961216), (720, 28920896), (768, 27113340), (834, 24967680), (960, 21690672), (1024, 20335005), (1112, 18725760), (1152, 18075560), (1251, 16645120), (1280, 16268004), (1390, 14980608), (1440, 14460448), (1536, 13556670), (1668, 12483840), (1920, 10845336), (2085, 9987072), (2224, 9362880), (2304, 9037780), (2502, 8322560), (2560, 8134002), (2780, 7490304), (2880, 7230224), (3072, 6778335), (3251, 6405120), (3336, 6241920), (3840, 5422668), (4170, 4993536), (4448, 4681440), (4608, 4518890), (5004, 4161280), (5120, 4067001), (5560, 3745152), (5760, 3615112), (6255, 3329024), (6502, 3202560), (6672, 3120960), (7680, 2711334), (8340, 2496768), (8896, 2340720), (9216, 2259445), (9753, 2135040), (10008, 2080640), (11120, 1872576), (11520, 1807556), (12510, 1664512), (13004, 1601280), (13344, 1560480), (15360, 1355667), (16255, 1281024), (16680, 1248384), (17792, 1170360), (19506, 1067520), (20016, 1040320), (22240, 936288), (23040, 903778), (25020, 832256), (26008, 800640), (26688, 780240), (29259, 711680), (32510, 640512), (33360, 624192), (35584, 585180), (39012, 533760), (40032, 520160), (44480, 468144), (46080, 451889), (48765, 427008), (50040, 416128), (52016, 400320), (53376, 390120), (58518, 355840), (65020, 320256), (66720, 312096), (71168, 292590), (78024, 266880), (80064, 260080), (88960, 234072), (97530, 213504), (100080, 208064), (104032, 200160), (106752, 195060), (117036, 177920), (130040, 160128), (133440, 156048), (142336, 146295)]