20179782720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{778541}}^1$

素因数の和:778570

約数の個数: 140

約数和(自身を含む): 71783129484

約数和(自身を除く): 51603346764

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25920, 778541, 1557082, 2335623, 3114164, 3892705, 4671246, 6228328, 7006869, 7785410, 9342492, 11678115, 12456656, 14013738, 15570820, 18684984, 21020607, 23356230, 24913312, 28027476, 31141640, 35034345, 37369968, 42041214, 46712460, 49826624, 56054952, 62283280, 63061821, 70068690, 74739936, 84082428, 93424920, 105103035, 112109904, 124566560, 126123642, 140137380, 149479872, 168164856, 186849840, 210206070, 224219808, 249133120, 252247284, 280274760, 315309105, 336329712, 373699680, 420412140, 448439616, 504494568, 560549520, 630618210, 672659424, 747399360, 840824280, 1008989136, 1121099040, 1261236420, 1345318848, 1681648560, 2017978272, 2242198080, 2522472840, 3363297120, 4035956544, 5044945680, 6726594240, 10089891360, 20179782720]

約数ペア:

[(1, 20179782720), (2, 10089891360), (3, 6726594240), (4, 5044945680), (5, 4035956544), (6, 3363297120), (8, 2522472840), (9, 2242198080), (10, 2017978272), (12, 1681648560), (15, 1345318848), (16, 1261236420), (18, 1121099040), (20, 1008989136), (24, 840824280), (27, 747399360), (30, 672659424), (32, 630618210), (36, 560549520), (40, 504494568), (45, 448439616), (48, 420412140), (54, 373699680), (60, 336329712), (64, 315309105), (72, 280274760), (80, 252247284), (81, 249133120), (90, 224219808), (96, 210206070), (108, 186849840), (120, 168164856), (135, 149479872), (144, 140137380), (160, 126123642), (162, 124566560), (180, 112109904), (192, 105103035), (216, 93424920), (240, 84082428), (270, 74739936), (288, 70068690), (320, 63061821), (324, 62283280), (360, 56054952), (405, 49826624), (432, 46712460), (480, 42041214), (540, 37369968), (576, 35034345), (648, 31141640), (720, 28027476), (810, 24913312), (864, 23356230), (960, 21020607), (1080, 18684984), (1296, 15570820), (1440, 14013738), (1620, 12456656), (1728, 11678115), (2160, 9342492), (2592, 7785410), (2880, 7006869), (3240, 6228328), (4320, 4671246), (5184, 3892705), (6480, 3114164), (8640, 2335623), (12960, 1557082), (25920, 778541)]