20780187120

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41647}}^1$

素因数の和:41690

約数の個数: 400

約数和(自身を含む): 89983669248

約数和(自身を除く): 69203482128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 90, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 154, 162, 165, 168, 176, 180, 189, 198, 210, 216, 220, 231, 240, 252, 264, 270, 280, 297, 308, 315, 324, 330, 336, 360, 378, 385, 396, 405, 420, 432, 440, 462, 495, 504, 528, 540, 560, 567, 594, 616, 630, 648, 660, 693, 720, 756, 770, 792, 810, 840, 880, 891, 924, 945, 990, 1008, 1080, 1134, 1155, 1188, 1232, 1260, 1296, 1320, 1386, 1485, 1512, 1540, 1584, 1620, 1680, 1782, 1848, 1890, 1980, 2079, 2160, 2268, 2310, 2376, 2520, 2640, 2772, 2835, 2970, 3024, 3080, 3240, 3465, 3564, 3696, 3780, 3960, 4158, 4455, 4536, 4620, 4752, 5040, 5544, 5670, 5940, 6160, 6237, 6480, 6930, 7128, 7560, 7920, 8316, 8910, 9072, 9240, 10395, 11088, 11340, 11880, 12474, 13860, 14256, 15120, 16632, 17820, 18480, 20790, 22680, 23760, 24948, 27720, 31185, 33264, 35640, 41580, 41647, 45360, 49896, 55440, 62370, 71280, 83160, 83294, 99792, 124740, 124941, 166320, 166588, 208235, 249480, 249882, 291529, 333176, 374823, 416470, 458117, 498960, 499764, 583058, 624705, 666352, 749646, 832940, 874587, 916234, 999528, 1124469, 1166116, 1249410, 1374351, 1457645, 1499292, 1665880, 1749174, 1832468, 1874115, 1999056, 2248938, 2290585, 2332232, 2498820, 2623761, 2748702, 2915290, 2998584, 3206819, 3331760, 3373407, 3498348, 3664936, 3748230, 4123053, 4372935, 4497876, 4581170, 4664464, 4997640, 5247522, 5497404, 5622345, 5830580, 5997168, 6413638, 6746814, 6871755, 6996696, 7329872, 7496460, 7871283, 8246106, 8745870, 8995752, 9162340, 9620457, 9995280, 10495044, 10994808, 11244690, 11661160, 12369159, 12827276, 13118805, 13493628, 13743510, 13993392, 14992920, 15742566, 16034095, 16492212, 16867035, 17491740, 17991504, 18324680, 19240914, 20615265, 20990088, 21989616, 22489380, 23322320, 23613849, 24738318, 25654552, 26237610, 26987256, 27487020, 28861371, 29985840, 31485132, 32068190, 32984424, 33734070, 34983480, 36649360, 37107477, 38481828, 39356415, 41230530, 41980176, 44978760, 47227698, 48102285, 49476636, 51309104, 52475220, 53974512, 54974040, 57722742, 61845795, 62970264, 64136380, 65968848, 67468140, 69966960, 74214954, 76963656, 78712830, 82461060, 86584113, 89957520, 94455396, 96204570, 98953272, 104950440, 109948080, 115445484, 118069245, 123691590, 125940528, 128272760, 134936280, 144306855, 148429908, 153927312, 157425660, 164922120, 173168226, 185537385, 188910792, 192409140, 197906544, 209900880, 230890968, 236138490, 247383180, 256545520, 259752339, 269872560, 288613710, 296859816, 314851320, 329844240, 346336452, 371074770, 377821584, 384818280, 432920565, 461781936, 472276980, 494766360, 519504678, 577227420, 593719632, 629702640, 692672904, 742149540, 769636560, 865841130, 944553960, 989532720, 1039009356, 1154454840, 1298761695, 1385345808, 1484299080, 1731682260, 1889107920, 2078018712, 2308909680, 2597523390, 2968598160, 3463364520, 4156037424, 5195046780, 6926729040, 10390093560, 20780187120]

約数ペア:

[(1, 20780187120), (2, 10390093560), (3, 6926729040), (4, 5195046780), (5, 4156037424), (6, 3463364520), (7, 2968598160), (8, 2597523390), (9, 2308909680), (10, 2078018712), (11, 1889107920), (12, 1731682260), (14, 1484299080), (15, 1385345808), (16, 1298761695), (18, 1154454840), (20, 1039009356), (21, 989532720), (22, 944553960), (24, 865841130), (27, 769636560), (28, 742149540), (30, 692672904), (33, 629702640), (35, 593719632), (36, 577227420), (40, 519504678), (42, 494766360), (44, 472276980), (45, 461781936), (48, 432920565), (54, 384818280), (55, 377821584), (56, 371074770), (60, 346336452), (63, 329844240), (66, 314851320), (70, 296859816), (72, 288613710), (77, 269872560), (80, 259752339), (81, 256545520), (84, 247383180), (88, 236138490), (90, 230890968), (99, 209900880), (105, 197906544), (108, 192409140), (110, 188910792), (112, 185537385), (120, 173168226), (126, 164922120), (132, 157425660), (135, 153927312), (140, 148429908), (144, 144306855), (154, 134936280), (162, 128272760), (165, 125940528), (168, 123691590), (176, 118069245), (180, 115445484), (189, 109948080), (198, 104950440), (210, 98953272), (216, 96204570), (220, 94455396), (231, 89957520), (240, 86584113), (252, 82461060), (264, 78712830), (270, 76963656), (280, 74214954), (297, 69966960), (308, 67468140), (315, 65968848), (324, 64136380), (330, 62970264), (336, 61845795), (360, 57722742), (378, 54974040), (385, 53974512), (396, 52475220), (405, 51309104), (420, 49476636), (432, 48102285), (440, 47227698), (462, 44978760), (495, 41980176), (504, 41230530), (528, 39356415), (540, 38481828), (560, 37107477), (567, 36649360), (594, 34983480), (616, 33734070), (630, 32984424), (648, 32068190), (660, 31485132), (693, 29985840), (720, 28861371), (756, 27487020), (770, 26987256), (792, 26237610), (810, 25654552), (840, 24738318), (880, 23613849), (891, 23322320), (924, 22489380), (945, 21989616), (990, 20990088), (1008, 20615265), (1080, 19240914), (1134, 18324680), (1155, 17991504), (1188, 17491740), (1232, 16867035), (1260, 16492212), (1296, 16034095), (1320, 15742566), (1386, 14992920), (1485, 13993392), (1512, 13743510), (1540, 13493628), (1584, 13118805), (1620, 12827276), (1680, 12369159), (1782, 11661160), (1848, 11244690), (1890, 10994808), (1980, 10495044), (2079, 9995280), (2160, 9620457), (2268, 9162340), (2310, 8995752), (2376, 8745870), (2520, 8246106), (2640, 7871283), (2772, 7496460), (2835, 7329872), (2970, 6996696), (3024, 6871755), (3080, 6746814), (3240, 6413638), (3465, 5997168), (3564, 5830580), (3696, 5622345), (3780, 5497404), (3960, 5247522), (4158, 4997640), (4455, 4664464), (4536, 4581170), (4620, 4497876), (4752, 4372935), (5040, 4123053), (5544, 3748230), (5670, 3664936), (5940, 3498348), (6160, 3373407), (6237, 3331760), (6480, 3206819), (6930, 2998584), (7128, 2915290), (7560, 2748702), (7920, 2623761), (8316, 2498820), (8910, 2332232), (9072, 2290585), (9240, 2248938), (10395, 1999056), (11088, 1874115), (11340, 1832468), (11880, 1749174), (12474, 1665880), (13860, 1499292), (14256, 1457645), (15120, 1374351), (16632, 1249410), (17820, 1166116), (18480, 1124469), (20790, 999528), (22680, 916234), (23760, 874587), (24948, 832940), (27720, 749646), (31185, 666352), (33264, 624705), (35640, 583058), (41580, 499764), (41647, 498960), (45360, 458117), (49896, 416470), (55440, 374823), (62370, 333176), (71280, 291529), (83160, 249882), (83294, 249480), (99792, 208235), (124740, 166588), (124941, 166320)]