20451720960

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:932

約数の個数: 432

約数和(自身を含む): 77621701248

約数和(自身を除く): 57169980288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 251, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 502, 528, 576, 640, 643, 660, 704, 720, 753, 768, 792, 880, 960, 990, 1004, 1056, 1152, 1255, 1280, 1286, 1320, 1408, 1440, 1506, 1584, 1760, 1920, 1929, 1980, 2008, 2112, 2259, 2304, 2510, 2572, 2640, 2761, 2816, 2880, 3012, 3168, 3215, 3520, 3765, 3840, 3858, 3960, 4016, 4224, 4518, 5020, 5144, 5280, 5522, 5760, 5787, 6024, 6336, 6430, 7040, 7073, 7530, 7716, 7920, 8032, 8283, 8448, 9036, 9645, 10040, 10288, 10560, 11044, 11295, 11520, 11574, 12048, 12672, 12860, 13805, 14080, 14146, 15060, 15432, 15840, 16064, 16566, 18072, 19290, 20080, 20576, 21120, 21219, 22088, 22590, 23148, 24096, 24849, 25344, 25720, 27610, 28292, 28935, 30120, 30864, 31680, 32128, 33132, 35365, 36144, 38580, 40160, 41152, 41415, 42240, 42438, 44176, 45180, 46296, 48192, 49698, 51440, 55220, 56584, 57870, 60240, 61728, 63360, 63657, 64256, 66264, 70730, 72288, 77160, 80320, 82304, 82830, 84876, 88352, 90360, 92592, 96384, 99396, 102880, 106095, 110440, 113168, 115740, 120480, 123456, 124245, 126720, 127314, 132528, 141460, 144576, 154320, 160640, 161393, 164608, 165660, 169752, 176704, 180720, 185184, 192768, 198792, 205760, 212190, 220880, 226336, 231480, 240960, 246912, 248490, 254628, 265056, 282920, 289152, 308640, 318285, 321280, 322786, 331320, 339504, 353408, 361440, 370368, 397584, 411520, 424380, 441760, 452672, 462960, 481920, 484179, 493824, 496980, 509256, 530112, 565840, 578304, 617280, 636570, 645572, 662640, 679008, 706816, 722880, 740736, 795168, 806965, 823040, 848760, 883520, 905344, 925920, 963840, 968358, 993960, 1018512, 1060224, 1131680, 1234560, 1273140, 1291144, 1325280, 1358016, 1445760, 1452537, 1481472, 1590336, 1613930, 1697520, 1767040, 1775323, 1810688, 1851840, 1936716, 1987920, 2037024, 2120448, 2263360, 2420895, 2469120, 2546280, 2582288, 2650560, 2716032, 2891520, 2905074, 3180672, 3227860, 3395040, 3534080, 3550646, 3703680, 3873432, 3975840, 4074048, 4526720, 4841790, 5092560, 5164576, 5301120, 5325969, 5432064, 5810148, 6361344, 6455720, 6790080, 7101292, 7262685, 7407360, 7746864, 7951680, 8148096, 8876615, 9053440, 9683580, 10185120, 10329152, 10602240, 10651938, 11620296, 12911440, 13580160, 14202584, 14525370, 15493728, 15903360, 15977907, 16296192, 17753230, 19367160, 20370240, 20658304, 21303876, 23240592, 25822880, 26629845, 27160320, 28405168, 29050740, 30987456, 31806720, 31955814, 35506460, 38734320, 40740480, 41316608, 42607752, 46481184, 51645760, 53259690, 56810336, 58101480, 61974912, 63911628, 71012920, 77468640, 79889535, 81480960, 85215504, 92962368, 103291520, 106519380, 113620672, 116202960, 123949824, 127823256, 142025840, 154937280, 159779070, 170431008, 185924736, 206583040, 213038760, 227241344, 232405920, 255646512, 284051680, 309874560, 319558140, 340862016, 371849472, 426077520, 454482688, 464811840, 511293024, 568103360, 619749120, 639116280, 681724032, 852155040, 929623680, 1022586048, 1136206720, 1278232560, 1363448064, 1704310080, 1859247360, 2045172096, 2272413440, 2556465120, 3408620160, 4090344192, 5112930240, 6817240320, 10225860480, 20451720960]

約数ペア:

[(1, 20451720960), (2, 10225860480), (3, 6817240320), (4, 5112930240), (5, 4090344192), (6, 3408620160), (8, 2556465120), (9, 2272413440), (10, 2045172096), (11, 1859247360), (12, 1704310080), (15, 1363448064), (16, 1278232560), (18, 1136206720), (20, 1022586048), (22, 929623680), (24, 852155040), (30, 681724032), (32, 639116280), (33, 619749120), (36, 568103360), (40, 511293024), (44, 464811840), (45, 454482688), (48, 426077520), (55, 371849472), (60, 340862016), (64, 319558140), (66, 309874560), (72, 284051680), (80, 255646512), (88, 232405920), (90, 227241344), (96, 213038760), (99, 206583040), (110, 185924736), (120, 170431008), (128, 159779070), (132, 154937280), (144, 142025840), (160, 127823256), (165, 123949824), (176, 116202960), (180, 113620672), (192, 106519380), (198, 103291520), (220, 92962368), (240, 85215504), (251, 81480960), (256, 79889535), (264, 77468640), (288, 71012920), (320, 63911628), (330, 61974912), (352, 58101480), (360, 56810336), (384, 53259690), (396, 51645760), (440, 46481184), (480, 42607752), (495, 41316608), (502, 40740480), (528, 38734320), (576, 35506460), (640, 31955814), (643, 31806720), (660, 30987456), (704, 29050740), (720, 28405168), (753, 27160320), (768, 26629845), (792, 25822880), (880, 23240592), (960, 21303876), (990, 20658304), (1004, 20370240), (1056, 19367160), (1152, 17753230), (1255, 16296192), (1280, 15977907), (1286, 15903360), (1320, 15493728), (1408, 14525370), (1440, 14202584), (1506, 13580160), (1584, 12911440), (1760, 11620296), (1920, 10651938), (1929, 10602240), (1980, 10329152), (2008, 10185120), (2112, 9683580), (2259, 9053440), (2304, 8876615), (2510, 8148096), (2572, 7951680), (2640, 7746864), (2761, 7407360), (2816, 7262685), (2880, 7101292), (3012, 6790080), (3168, 6455720), (3215, 6361344), (3520, 5810148), (3765, 5432064), (3840, 5325969), (3858, 5301120), (3960, 5164576), (4016, 5092560), (4224, 4841790), (4518, 4526720), (5020, 4074048), (5144, 3975840), (5280, 3873432), (5522, 3703680), (5760, 3550646), (5787, 3534080), (6024, 3395040), (6336, 3227860), (6430, 3180672), (7040, 2905074), (7073, 2891520), (7530, 2716032), (7716, 2650560), (7920, 2582288), (8032, 2546280), (8283, 2469120), (8448, 2420895), (9036, 2263360), (9645, 2120448), (10040, 2037024), (10288, 1987920), (10560, 1936716), (11044, 1851840), (11295, 1810688), (11520, 1775323), (11574, 1767040), (12048, 1697520), (12672, 1613930), (12860, 1590336), (13805, 1481472), (14080, 1452537), (14146, 1445760), (15060, 1358016), (15432, 1325280), (15840, 1291144), (16064, 1273140), (16566, 1234560), (18072, 1131680), (19290, 1060224), (20080, 1018512), (20576, 993960), (21120, 968358), (21219, 963840), (22088, 925920), (22590, 905344), (23148, 883520), (24096, 848760), (24849, 823040), (25344, 806965), (25720, 795168), (27610, 740736), (28292, 722880), (28935, 706816), (30120, 679008), (30864, 662640), (31680, 645572), (32128, 636570), (33132, 617280), (35365, 578304), (36144, 565840), (38580, 530112), (40160, 509256), (41152, 496980), (41415, 493824), (42240, 484179), (42438, 481920), (44176, 462960), (45180, 452672), (46296, 441760), (48192, 424380), (49698, 411520), (51440, 397584), (55220, 370368), (56584, 361440), (57870, 353408), (60240, 339504), (61728, 331320), (63360, 322786), (63657, 321280), (64256, 318285), (66264, 308640), (70730, 289152), (72288, 282920), (77160, 265056), (80320, 254628), (82304, 248490), (82830, 246912), (84876, 240960), (88352, 231480), (90360, 226336), (92592, 220880), (96384, 212190), (99396, 205760), (102880, 198792), (106095, 192768), (110440, 185184), (113168, 180720), (115740, 176704), (120480, 169752), (123456, 165660), (124245, 164608), (126720, 161393), (127314, 160640), (132528, 154320), (141460, 144576)]