20397186720

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:928

約数の個数: 384

約数和(自身を含む): 73378690560

約数和(自身を除く): 52981503840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 96, 108, 120, 135, 142, 144, 160, 162, 180, 213, 216, 240, 243, 270, 284, 288, 324, 355, 360, 405, 426, 432, 480, 486, 540, 568, 639, 648, 710, 720, 729, 810, 821, 852, 864, 972, 1065, 1080, 1136, 1215, 1278, 1296, 1420, 1440, 1458, 1620, 1642, 1704, 1917, 1944, 2130, 2160, 2187, 2272, 2430, 2463, 2556, 2592, 2840, 2916, 3195, 3240, 3284, 3408, 3645, 3834, 3888, 4105, 4260, 4320, 4374, 4860, 4926, 5112, 5680, 5751, 5832, 6390, 6480, 6568, 6816, 7290, 7389, 7668, 7776, 8210, 8520, 8748, 9585, 9720, 9852, 10224, 10935, 11360, 11502, 11664, 12315, 12780, 12960, 13136, 14580, 14778, 15336, 16420, 17040, 17253, 17496, 19170, 19440, 19704, 20448, 21870, 22167, 23004, 23328, 24630, 25560, 26272, 28755, 29160, 29556, 30672, 32840, 34080, 34506, 34992, 36945, 38340, 38880, 39408, 43740, 44334, 46008, 49260, 51120, 51759, 57510, 58291, 58320, 59112, 61344, 65680, 66501, 69012, 69984, 73890, 76680, 78816, 86265, 87480, 88668, 92016, 98520, 102240, 103518, 110835, 115020, 116582, 116640, 118224, 131360, 133002, 138024, 147780, 153360, 155277, 172530, 174873, 174960, 177336, 184032, 197040, 199503, 207036, 221670, 230040, 233164, 236448, 258795, 266004, 276048, 291455, 295560, 306720, 310554, 332505, 345060, 349746, 349920, 354672, 394080, 399006, 414072, 443340, 460080, 466328, 517590, 524619, 532008, 552096, 582910, 591120, 598509, 621108, 665010, 690120, 699492, 709344, 776385, 798012, 828144, 874365, 886680, 920160, 932656, 997515, 1035180, 1049238, 1064016, 1165820, 1182240, 1197018, 1242216, 1330020, 1380240, 1398984, 1552770, 1573857, 1596024, 1656288, 1748730, 1773360, 1795527, 1865312, 1995030, 2070360, 2098476, 2128032, 2331640, 2394036, 2484432, 2623095, 2660040, 2760480, 2797968, 2992545, 3105540, 3147714, 3192048, 3497460, 3546720, 3591054, 3990060, 4140720, 4196952, 4663280, 4721571, 4788072, 4968864, 5246190, 5320080, 5595936, 5985090, 6211080, 6295428, 6384096, 6994920, 7182108, 7869285, 7980120, 8281440, 8393904, 8977635, 9326560, 9443142, 9576144, 10492380, 10640160, 11970180, 12422160, 12590856, 13989840, 14164713, 14364216, 15738570, 15960240, 16787808, 17955270, 18886284, 19152288, 20984760, 23607855, 23940360, 24844320, 25181712, 27979680, 28329426, 28728432, 31477140, 31920480, 35910540, 37772568, 41969520, 42494139, 47215710, 47880720, 50363424, 56658852, 57456864, 62954280, 70823565, 71821080, 75545136, 83939040, 84988278, 94431420, 95761440, 113317704, 125908560, 127482417, 141647130, 143642160, 151090272, 169976556, 188862840, 212470695, 226635408, 251817120, 254964834, 283294260, 287284320, 339953112, 377725680, 424941390, 453270816, 509929668, 566588520, 637412085, 679906224, 755451360, 849882780, 1019859336, 1133177040, 1274824170, 1359812448, 1699765560, 2039718672, 2266354080, 2549648340, 3399531120, 4079437344, 5099296680, 6799062240, 10198593360, 20397186720]

約数ペア:

[(1, 20397186720), (2, 10198593360), (3, 6799062240), (4, 5099296680), (5, 4079437344), (6, 3399531120), (8, 2549648340), (9, 2266354080), (10, 2039718672), (12, 1699765560), (15, 1359812448), (16, 1274824170), (18, 1133177040), (20, 1019859336), (24, 849882780), (27, 755451360), (30, 679906224), (32, 637412085), (36, 566588520), (40, 509929668), (45, 453270816), (48, 424941390), (54, 377725680), (60, 339953112), (71, 287284320), (72, 283294260), (80, 254964834), (81, 251817120), (90, 226635408), (96, 212470695), (108, 188862840), (120, 169976556), (135, 151090272), (142, 143642160), (144, 141647130), (160, 127482417), (162, 125908560), (180, 113317704), (213, 95761440), (216, 94431420), (240, 84988278), (243, 83939040), (270, 75545136), (284, 71821080), (288, 70823565), (324, 62954280), (355, 57456864), (360, 56658852), (405, 50363424), (426, 47880720), (432, 47215710), (480, 42494139), (486, 41969520), (540, 37772568), (568, 35910540), (639, 31920480), (648, 31477140), (710, 28728432), (720, 28329426), (729, 27979680), (810, 25181712), (821, 24844320), (852, 23940360), (864, 23607855), (972, 20984760), (1065, 19152288), (1080, 18886284), (1136, 17955270), (1215, 16787808), (1278, 15960240), (1296, 15738570), (1420, 14364216), (1440, 14164713), (1458, 13989840), (1620, 12590856), (1642, 12422160), (1704, 11970180), (1917, 10640160), (1944, 10492380), (2130, 9576144), (2160, 9443142), (2187, 9326560), (2272, 8977635), (2430, 8393904), (2463, 8281440), (2556, 7980120), (2592, 7869285), (2840, 7182108), (2916, 6994920), (3195, 6384096), (3240, 6295428), (3284, 6211080), (3408, 5985090), (3645, 5595936), (3834, 5320080), (3888, 5246190), (4105, 4968864), (4260, 4788072), (4320, 4721571), (4374, 4663280), (4860, 4196952), (4926, 4140720), (5112, 3990060), (5680, 3591054), (5751, 3546720), (5832, 3497460), (6390, 3192048), (6480, 3147714), (6568, 3105540), (6816, 2992545), (7290, 2797968), (7389, 2760480), (7668, 2660040), (7776, 2623095), (8210, 2484432), (8520, 2394036), (8748, 2331640), (9585, 2128032), (9720, 2098476), (9852, 2070360), (10224, 1995030), (10935, 1865312), (11360, 1795527), (11502, 1773360), (11664, 1748730), (12315, 1656288), (12780, 1596024), (12960, 1573857), (13136, 1552770), (14580, 1398984), (14778, 1380240), (15336, 1330020), (16420, 1242216), (17040, 1197018), (17253, 1182240), (17496, 1165820), (19170, 1064016), (19440, 1049238), (19704, 1035180), (20448, 997515), (21870, 932656), (22167, 920160), (23004, 886680), (23328, 874365), (24630, 828144), (25560, 798012), (26272, 776385), (28755, 709344), (29160, 699492), (29556, 690120), (30672, 665010), (32840, 621108), (34080, 598509), (34506, 591120), (34992, 582910), (36945, 552096), (38340, 532008), (38880, 524619), (39408, 517590), (43740, 466328), (44334, 460080), (46008, 443340), (49260, 414072), (51120, 399006), (51759, 394080), (57510, 354672), (58291, 349920), (58320, 349746), (59112, 345060), (61344, 332505), (65680, 310554), (66501, 306720), (69012, 295560), (69984, 291455), (73890, 276048), (76680, 266004), (78816, 258795), (86265, 236448), (87480, 233164), (88668, 230040), (92016, 221670), (98520, 207036), (102240, 199503), (103518, 197040), (110835, 184032), (115020, 177336), (116582, 174960), (116640, 174873), (118224, 172530), (131360, 155277), (133002, 153360), (138024, 147780)]