20481795840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2593}}^1$

素因数の和:2656

約数の個数: 432

約数和(自身を含む): 76159881504

約数和(自身を除く): 55678085664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 110, 120, 121, 128, 132, 136, 160, 165, 170, 176, 187, 192, 204, 220, 240, 242, 255, 256, 264, 272, 320, 330, 340, 352, 363, 374, 384, 408, 440, 480, 484, 510, 528, 544, 561, 605, 640, 660, 680, 704, 726, 748, 768, 816, 880, 935, 960, 968, 1020, 1056, 1088, 1122, 1210, 1280, 1320, 1360, 1408, 1452, 1496, 1632, 1760, 1815, 1870, 1920, 1936, 2040, 2057, 2112, 2176, 2244, 2420, 2593, 2640, 2720, 2805, 2816, 2904, 2992, 3264, 3520, 3630, 3740, 3840, 3872, 4080, 4114, 4224, 4352, 4488, 4840, 5186, 5280, 5440, 5610, 5808, 5984, 6171, 6528, 7040, 7260, 7480, 7744, 7779, 8160, 8228, 8448, 8976, 9680, 10285, 10372, 10560, 10880, 11220, 11616, 11968, 12342, 12965, 13056, 14080, 14520, 14960, 15488, 15558, 16320, 16456, 17952, 19360, 20570, 20744, 21120, 21760, 22440, 23232, 23936, 24684, 25930, 28523, 29040, 29920, 30855, 30976, 31116, 32640, 32912, 35904, 38720, 38895, 41140, 41488, 42240, 44081, 44880, 46464, 47872, 49368, 51860, 57046, 58080, 59840, 61710, 62232, 65280, 65824, 71808, 77440, 77790, 82280, 82976, 85569, 88162, 89760, 92928, 98736, 103720, 114092, 116160, 119680, 123420, 124464, 131648, 132243, 142615, 143616, 154880, 155580, 164560, 165952, 171138, 176324, 179520, 197472, 207440, 220405, 228184, 232320, 239360, 246840, 248928, 263296, 264486, 285230, 311160, 313753, 329120, 331904, 342276, 352648, 359040, 394944, 414880, 427845, 440810, 456368, 464640, 484891, 493680, 497856, 526592, 528972, 570460, 622320, 627506, 658240, 661215, 663808, 684552, 705296, 718080, 789888, 829760, 855690, 881620, 912736, 941259, 969782, 987360, 995712, 1057944, 1140920, 1244640, 1255012, 1316480, 1322430, 1369104, 1410592, 1454673, 1568765, 1579776, 1659520, 1711380, 1763240, 1825472, 1882518, 1939564, 1974720, 1991424, 2115888, 2281840, 2424455, 2489280, 2510024, 2632960, 2644860, 2738208, 2821184, 2909346, 3137530, 3319040, 3422760, 3526480, 3650944, 3765036, 3879128, 3949440, 4231776, 4563680, 4706295, 4848910, 4978560, 5020048, 5289720, 5333801, 5476416, 5642368, 5818692, 6275060, 6845520, 7052960, 7273365, 7301888, 7530072, 7758256, 7898880, 8463552, 9127360, 9412590, 9697820, 9957120, 10040096, 10579440, 10667602, 10952832, 11284736, 11637384, 12550120, 13691040, 14105920, 14546730, 15060144, 15516512, 16001403, 16927104, 18254720, 18825180, 19395640, 20080192, 21158880, 21335204, 21905664, 23274768, 25100240, 26669005, 27382080, 28211840, 29093460, 30120288, 31033024, 32002806, 33854208, 36509440, 37650360, 38791280, 40160384, 42317760, 42670408, 46549536, 50200480, 53338010, 54764160, 56423680, 58186920, 60240576, 62066048, 64005612, 75300720, 77582560, 80007015, 80320768, 84635520, 85340816, 93099072, 100400960, 106676020, 109528320, 116373840, 120481152, 124132096, 128011224, 150601440, 155165120, 160014030, 169271040, 170681632, 186198144, 200801920, 213352040, 232747680, 240962304, 256022448, 301202880, 310330240, 320028060, 341363264, 372396288, 401603840, 426704080, 465495360, 512044896, 602405760, 620660480, 640056120, 682726528, 853408160, 930990720, 1024089792, 1204811520, 1280112240, 1365453056, 1706816320, 1861981440, 2048179584, 2560224480, 3413632640, 4096359168, 5120448960, 6827265280, 10240897920, 20481795840]

約数ペア:

[(1, 20481795840), (2, 10240897920), (3, 6827265280), (4, 5120448960), (5, 4096359168), (6, 3413632640), (8, 2560224480), (10, 2048179584), (11, 1861981440), (12, 1706816320), (15, 1365453056), (16, 1280112240), (17, 1204811520), (20, 1024089792), (22, 930990720), (24, 853408160), (30, 682726528), (32, 640056120), (33, 620660480), (34, 602405760), (40, 512044896), (44, 465495360), (48, 426704080), (51, 401603840), (55, 372396288), (60, 341363264), (64, 320028060), (66, 310330240), (68, 301202880), (80, 256022448), (85, 240962304), (88, 232747680), (96, 213352040), (102, 200801920), (110, 186198144), (120, 170681632), (121, 169271040), (128, 160014030), (132, 155165120), (136, 150601440), (160, 128011224), (165, 124132096), (170, 120481152), (176, 116373840), (187, 109528320), (192, 106676020), (204, 100400960), (220, 93099072), (240, 85340816), (242, 84635520), (255, 80320768), (256, 80007015), (264, 77582560), (272, 75300720), (320, 64005612), (330, 62066048), (340, 60240576), (352, 58186920), (363, 56423680), (374, 54764160), (384, 53338010), (408, 50200480), (440, 46549536), (480, 42670408), (484, 42317760), (510, 40160384), (528, 38791280), (544, 37650360), (561, 36509440), (605, 33854208), (640, 32002806), (660, 31033024), (680, 30120288), (704, 29093460), (726, 28211840), (748, 27382080), (768, 26669005), (816, 25100240), (880, 23274768), (935, 21905664), (960, 21335204), (968, 21158880), (1020, 20080192), (1056, 19395640), (1088, 18825180), (1122, 18254720), (1210, 16927104), (1280, 16001403), (1320, 15516512), (1360, 15060144), (1408, 14546730), (1452, 14105920), (1496, 13691040), (1632, 12550120), (1760, 11637384), (1815, 11284736), (1870, 10952832), (1920, 10667602), (1936, 10579440), (2040, 10040096), (2057, 9957120), (2112, 9697820), (2176, 9412590), (2244, 9127360), (2420, 8463552), (2593, 7898880), (2640, 7758256), (2720, 7530072), (2805, 7301888), (2816, 7273365), (2904, 7052960), (2992, 6845520), (3264, 6275060), (3520, 5818692), (3630, 5642368), (3740, 5476416), (3840, 5333801), (3872, 5289720), (4080, 5020048), (4114, 4978560), (4224, 4848910), (4352, 4706295), (4488, 4563680), (4840, 4231776), (5186, 3949440), (5280, 3879128), (5440, 3765036), (5610, 3650944), (5808, 3526480), (5984, 3422760), (6171, 3319040), (6528, 3137530), (7040, 2909346), (7260, 2821184), (7480, 2738208), (7744, 2644860), (7779, 2632960), (8160, 2510024), (8228, 2489280), (8448, 2424455), (8976, 2281840), (9680, 2115888), (10285, 1991424), (10372, 1974720), (10560, 1939564), (10880, 1882518), (11220, 1825472), (11616, 1763240), (11968, 1711380), (12342, 1659520), (12965, 1579776), (13056, 1568765), (14080, 1454673), (14520, 1410592), (14960, 1369104), (15488, 1322430), (15558, 1316480), (16320, 1255012), (16456, 1244640), (17952, 1140920), (19360, 1057944), (20570, 995712), (20744, 987360), (21120, 969782), (21760, 941259), (22440, 912736), (23232, 881620), (23936, 855690), (24684, 829760), (25930, 789888), (28523, 718080), (29040, 705296), (29920, 684552), (30855, 663808), (30976, 661215), (31116, 658240), (32640, 627506), (32912, 622320), (35904, 570460), (38720, 528972), (38895, 526592), (41140, 497856), (41488, 493680), (42240, 484891), (44081, 464640), (44880, 456368), (46464, 440810), (47872, 427845), (49368, 414880), (51860, 394944), (57046, 359040), (58080, 352648), (59840, 342276), (61710, 331904), (62232, 329120), (65280, 313753), (65824, 311160), (71808, 285230), (77440, 264486), (77790, 263296), (82280, 248928), (82976, 246840), (85569, 239360), (88162, 232320), (89760, 228184), (92928, 220405), (98736, 207440), (103720, 197472), (114092, 179520), (116160, 176324), (119680, 171138), (123420, 165952), (124464, 164560), (131648, 155580), (132243, 154880), (142615, 143616)]