205109520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1009}}^1$

素因数の和:1054

約数の個数: 240

約数和(自身を含む): 799532160

約数和(自身を除く): 594422640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 121, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 242, 264, 280, 308, 330, 336, 363, 385, 420, 440, 462, 484, 528, 560, 605, 616, 660, 726, 770, 840, 847, 880, 924, 968, 1009, 1155, 1210, 1232, 1320, 1452, 1540, 1680, 1694, 1815, 1848, 1936, 2018, 2310, 2420, 2541, 2640, 2904, 3027, 3080, 3388, 3630, 3696, 4036, 4235, 4620, 4840, 5045, 5082, 5808, 6054, 6160, 6776, 7063, 7260, 8072, 8470, 9240, 9680, 10090, 10164, 11099, 12108, 12705, 13552, 14126, 14520, 15135, 16144, 16940, 18480, 20180, 20328, 21189, 22198, 24216, 25410, 28252, 29040, 30270, 33297, 33880, 35315, 40360, 40656, 42378, 44396, 48432, 50820, 55495, 56504, 60540, 66594, 67760, 70630, 77693, 80720, 84756, 88792, 101640, 105945, 110990, 113008, 121080, 122089, 133188, 141260, 155386, 166485, 169512, 177584, 203280, 211890, 221980, 233079, 242160, 244178, 266376, 282520, 310772, 332970, 339024, 366267, 388465, 423780, 443960, 466158, 488356, 532752, 565040, 610445, 621544, 665940, 732534, 776930, 847560, 854623, 887920, 932316, 976712, 1165395, 1220890, 1243088, 1331880, 1465068, 1553860, 1695120, 1709246, 1831335, 1864632, 1953424, 2330790, 2441780, 2563869, 2663760, 2930136, 3107720, 3418492, 3662670, 3729264, 4273115, 4661580, 4883560, 5127738, 5860272, 6215440, 6836984, 7325340, 8546230, 9323160, 9767120, 10255476, 12819345, 13673968, 14650680, 17092460, 18646320, 20510952, 25638690, 29301360, 34184920, 41021904, 51277380, 68369840, 102554760, 205109520]

約数ペア:

[(1, 205109520), (2, 102554760), (3, 68369840), (4, 51277380), (5, 41021904), (6, 34184920), (7, 29301360), (8, 25638690), (10, 20510952), (11, 18646320), (12, 17092460), (14, 14650680), (15, 13673968), (16, 12819345), (20, 10255476), (21, 9767120), (22, 9323160), (24, 8546230), (28, 7325340), (30, 6836984), (33, 6215440), (35, 5860272), (40, 5127738), (42, 4883560), (44, 4661580), (48, 4273115), (55, 3729264), (56, 3662670), (60, 3418492), (66, 3107720), (70, 2930136), (77, 2663760), (80, 2563869), (84, 2441780), (88, 2330790), (105, 1953424), (110, 1864632), (112, 1831335), (120, 1709246), (121, 1695120), (132, 1553860), (140, 1465068), (154, 1331880), (165, 1243088), (168, 1220890), (176, 1165395), (210, 976712), (220, 932316), (231, 887920), (240, 854623), (242, 847560), (264, 776930), (280, 732534), (308, 665940), (330, 621544), (336, 610445), (363, 565040), (385, 532752), (420, 488356), (440, 466158), (462, 443960), (484, 423780), (528, 388465), (560, 366267), (605, 339024), (616, 332970), (660, 310772), (726, 282520), (770, 266376), (840, 244178), (847, 242160), (880, 233079), (924, 221980), (968, 211890), (1009, 203280), (1155, 177584), (1210, 169512), (1232, 166485), (1320, 155386), (1452, 141260), (1540, 133188), (1680, 122089), (1694, 121080), (1815, 113008), (1848, 110990), (1936, 105945), (2018, 101640), (2310, 88792), (2420, 84756), (2541, 80720), (2640, 77693), (2904, 70630), (3027, 67760), (3080, 66594), (3388, 60540), (3630, 56504), (3696, 55495), (4036, 50820), (4235, 48432), (4620, 44396), (4840, 42378), (5045, 40656), (5082, 40360), (5808, 35315), (6054, 33880), (6160, 33297), (6776, 30270), (7063, 29040), (7260, 28252), (8072, 25410), (8470, 24216), (9240, 22198), (9680, 21189), (10090, 20328), (10164, 20180), (11099, 18480), (12108, 16940), (12705, 16144), (13552, 15135), (14126, 14520)]