820296900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:695

約数の個数: 216

約数和(自身を含む): 2714591880

約数和(自身を除く): 1894294980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 53, 58, 60, 75, 87, 90, 100, 106, 116, 145, 150, 159, 174, 180, 212, 225, 261, 265, 290, 300, 318, 348, 435, 450, 477, 522, 530, 580, 593, 636, 725, 795, 870, 900, 954, 1044, 1060, 1186, 1305, 1325, 1450, 1537, 1590, 1740, 1779, 1908, 2175, 2372, 2385, 2610, 2650, 2900, 2965, 3074, 3180, 3558, 3975, 4350, 4611, 4770, 5220, 5300, 5337, 5930, 6148, 6525, 7116, 7685, 7950, 8700, 8895, 9222, 9540, 10674, 11860, 11925, 13050, 13833, 14825, 15370, 15900, 17197, 17790, 18444, 21348, 23055, 23850, 26100, 26685, 27666, 29650, 30740, 31429, 34394, 35580, 38425, 44475, 46110, 47700, 51591, 53370, 55332, 59300, 62858, 68788, 69165, 76850, 85985, 88950, 92220, 94287, 103182, 106740, 115275, 125716, 133425, 138330, 153700, 154773, 157145, 171970, 177900, 188574, 206364, 230550, 257955, 266850, 276660, 282861, 309546, 314290, 343940, 345825, 377148, 429925, 461100, 471435, 515910, 533700, 565722, 619092, 628580, 691650, 773865, 785725, 859850, 911441, 942870, 1031820, 1131444, 1289775, 1383300, 1414305, 1547730, 1571450, 1719700, 1822882, 1885740, 2357175, 2579550, 2734323, 2828610, 3095460, 3142900, 3645764, 3869325, 4557205, 4714350, 5159100, 5468646, 5657220, 7071525, 7738650, 8202969, 9114410, 9428700, 10937292, 13671615, 14143050, 15477300, 16405938, 18228820, 22786025, 27343230, 28286100, 32811876, 41014845, 45572050, 54686460, 68358075, 82029690, 91144100, 136716150, 164059380, 205074225, 273432300, 410148450, 820296900]

約数ペア:

[(1, 820296900), (2, 410148450), (3, 273432300), (4, 205074225), (5, 164059380), (6, 136716150), (9, 91144100), (10, 82029690), (12, 68358075), (15, 54686460), (18, 45572050), (20, 41014845), (25, 32811876), (29, 28286100), (30, 27343230), (36, 22786025), (45, 18228820), (50, 16405938), (53, 15477300), (58, 14143050), (60, 13671615), (75, 10937292), (87, 9428700), (90, 9114410), (100, 8202969), (106, 7738650), (116, 7071525), (145, 5657220), (150, 5468646), (159, 5159100), (174, 4714350), (180, 4557205), (212, 3869325), (225, 3645764), (261, 3142900), (265, 3095460), (290, 2828610), (300, 2734323), (318, 2579550), (348, 2357175), (435, 1885740), (450, 1822882), (477, 1719700), (522, 1571450), (530, 1547730), (580, 1414305), (593, 1383300), (636, 1289775), (725, 1131444), (795, 1031820), (870, 942870), (900, 911441), (954, 859850), (1044, 785725), (1060, 773865), (1186, 691650), (1305, 628580), (1325, 619092), (1450, 565722), (1537, 533700), (1590, 515910), (1740, 471435), (1779, 461100), (1908, 429925), (2175, 377148), (2372, 345825), (2385, 343940), (2610, 314290), (2650, 309546), (2900, 282861), (2965, 276660), (3074, 266850), (3180, 257955), (3558, 230550), (3975, 206364), (4350, 188574), (4611, 177900), (4770, 171970), (5220, 157145), (5300, 154773), (5337, 153700), (5930, 138330), (6148, 133425), (6525, 125716), (7116, 115275), (7685, 106740), (7950, 103182), (8700, 94287), (8895, 92220), (9222, 88950), (9540, 85985), (10674, 76850), (11860, 69165), (11925, 68788), (13050, 62858), (13833, 59300), (14825, 55332), (15370, 53370), (15900, 51591), (17197, 47700), (17790, 46110), (18444, 44475), (21348, 38425), (23055, 35580), (23850, 34394), (26100, 31429), (26685, 30740), (27666, 29650)]