20111374080

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{249397}}^1$

素因数の和:249431

約数の個数: 216

約数和(自身を含む): 79524043872

約数和(自身を除く): 59412669792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 249397, 498794, 748191, 997588, 1246985, 1496382, 1745779, 1995176, 2244573, 2493970, 2992764, 3491558, 3740955, 3990352, 4489146, 4987940, 5237337, 5985528, 6983116, 7481910, 7980704, 8728895, 8978292, 9975880, 10474674, 11222865, 11971056, 13966232, 14963820, 15712011, 15961408, 17457790, 17956584, 19951760, 20949348, 22445730, 23942112, 26186685, 27932464, 29927640, 31424022, 31922816, 34915580, 35913168, 39903520, 41898696, 44891460, 47884224, 52373370, 55864928, 59855280, 62848044, 63845632, 69831160, 71826336, 78560055, 79807040, 83797392, 89782920, 95768448, 104746740, 111729856, 119710560, 125696088, 139662320, 143652672, 157120110, 159614080, 167594784, 179565840, 191536896, 209493480, 223459712, 239421120, 251392176, 279324640, 287305344, 314240220, 319228160, 335189568, 359131680, 418986960, 446919424, 478842240, 502784352, 558649280, 574610688, 628480440, 670379136, 718263360, 837973920, 957684480, 1005568704, 1117298560, 1256960880, 1340758272, 1436526720, 1675947840, 2011137408, 2234597120, 2513921760, 2873053440, 3351895680, 4022274816, 5027843520, 6703791360, 10055687040, 20111374080]

約数ペア:

[(1, 20111374080), (2, 10055687040), (3, 6703791360), (4, 5027843520), (5, 4022274816), (6, 3351895680), (7, 2873053440), (8, 2513921760), (9, 2234597120), (10, 2011137408), (12, 1675947840), (14, 1436526720), (15, 1340758272), (16, 1256960880), (18, 1117298560), (20, 1005568704), (21, 957684480), (24, 837973920), (28, 718263360), (30, 670379136), (32, 628480440), (35, 574610688), (36, 558649280), (40, 502784352), (42, 478842240), (45, 446919424), (48, 418986960), (56, 359131680), (60, 335189568), (63, 319228160), (64, 314240220), (70, 287305344), (72, 279324640), (80, 251392176), (84, 239421120), (90, 223459712), (96, 209493480), (105, 191536896), (112, 179565840), (120, 167594784), (126, 159614080), (128, 157120110), (140, 143652672), (144, 139662320), (160, 125696088), (168, 119710560), (180, 111729856), (192, 104746740), (210, 95768448), (224, 89782920), (240, 83797392), (252, 79807040), (256, 78560055), (280, 71826336), (288, 69831160), (315, 63845632), (320, 62848044), (336, 59855280), (360, 55864928), (384, 52373370), (420, 47884224), (448, 44891460), (480, 41898696), (504, 39903520), (560, 35913168), (576, 34915580), (630, 31922816), (640, 31424022), (672, 29927640), (720, 27932464), (768, 26186685), (840, 23942112), (896, 22445730), (960, 20949348), (1008, 19951760), (1120, 17956584), (1152, 17457790), (1260, 15961408), (1280, 15712011), (1344, 14963820), (1440, 13966232), (1680, 11971056), (1792, 11222865), (1920, 10474674), (2016, 9975880), (2240, 8978292), (2304, 8728895), (2520, 7980704), (2688, 7481910), (2880, 6983116), (3360, 5985528), (3840, 5237337), (4032, 4987940), (4480, 4489146), (5040, 3990352), (5376, 3740955), (5760, 3491558), (6720, 2992764), (8064, 2493970), (8960, 2244573), (10080, 1995176), (11520, 1745779), (13440, 1496382), (16128, 1246985), (20160, 997588), (26880, 748191), (40320, 498794), (80640, 249397)]