20655172800

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{478129}}^1$

素因数の和:478160

約数の個数: 168

約数和(自身を含む): 75295912400

約数和(自身を除く): 54640739600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 360, 400, 432, 450, 480, 540, 576, 600, 675, 720, 800, 864, 900, 960, 1080, 1200, 1350, 1440, 1600, 1728, 1800, 2160, 2400, 2700, 2880, 3600, 4320, 4800, 5400, 7200, 8640, 10800, 14400, 21600, 43200, 478129, 956258, 1434387, 1912516, 2390645, 2868774, 3825032, 4303161, 4781290, 5737548, 7171935, 7650064, 8606322, 9562580, 11475096, 11953225, 12909483, 14343870, 15300128, 17212644, 19125160, 21515805, 22950192, 23906450, 25818966, 28687740, 30600256, 34425288, 35859675, 38250320, 43031610, 45900384, 47812900, 51637932, 57375480, 64547415, 68850576, 71719350, 76500640, 86063220, 91800768, 95625800, 103275864, 107579025, 114750960, 129094830, 137701152, 143438700, 153001280, 172126440, 191251600, 206551728, 215158050, 229501920, 258189660, 275402304, 286877400, 322737075, 344252880, 382503200, 413103456, 430316100, 459003840, 516379320, 573754800, 645474150, 688505760, 765006400, 826206912, 860632200, 1032758640, 1147509600, 1290948300, 1377011520, 1721264400, 2065517280, 2295019200, 2581896600, 3442528800, 4131034560, 5163793200, 6885057600, 10327586400, 20655172800]

約数ペア:

[(1, 20655172800), (2, 10327586400), (3, 6885057600), (4, 5163793200), (5, 4131034560), (6, 3442528800), (8, 2581896600), (9, 2295019200), (10, 2065517280), (12, 1721264400), (15, 1377011520), (16, 1290948300), (18, 1147509600), (20, 1032758640), (24, 860632200), (25, 826206912), (27, 765006400), (30, 688505760), (32, 645474150), (36, 573754800), (40, 516379320), (45, 459003840), (48, 430316100), (50, 413103456), (54, 382503200), (60, 344252880), (64, 322737075), (72, 286877400), (75, 275402304), (80, 258189660), (90, 229501920), (96, 215158050), (100, 206551728), (108, 191251600), (120, 172126440), (135, 153001280), (144, 143438700), (150, 137701152), (160, 129094830), (180, 114750960), (192, 107579025), (200, 103275864), (216, 95625800), (225, 91800768), (240, 86063220), (270, 76500640), (288, 71719350), (300, 68850576), (320, 64547415), (360, 57375480), (400, 51637932), (432, 47812900), (450, 45900384), (480, 43031610), (540, 38250320), (576, 35859675), (600, 34425288), (675, 30600256), (720, 28687740), (800, 25818966), (864, 23906450), (900, 22950192), (960, 21515805), (1080, 19125160), (1200, 17212644), (1350, 15300128), (1440, 14343870), (1600, 12909483), (1728, 11953225), (1800, 11475096), (2160, 9562580), (2400, 8606322), (2700, 7650064), (2880, 7171935), (3600, 5737548), (4320, 4781290), (4800, 4303161), (5400, 3825032), (7200, 2868774), (8640, 2390645), (10800, 1912516), (14400, 1434387), (21600, 956258), (43200, 478129)]