21122640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 320

約数和(自身を含む): 91422720

約数和(自身を除く): 70300080

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, 84, 88, 90, 99, 105, 108, 110, 112, 120, 126, 127, 132, 135, 140, 144, 154, 165, 168, 176, 180, 189, 198, 210, 216, 220, 231, 240, 252, 254, 264, 270, 280, 297, 308, 315, 330, 336, 360, 378, 381, 385, 396, 420, 432, 440, 462, 495, 504, 508, 528, 540, 560, 594, 616, 630, 635, 660, 693, 720, 756, 762, 770, 792, 840, 880, 889, 924, 945, 990, 1008, 1016, 1080, 1143, 1155, 1188, 1232, 1260, 1270, 1320, 1386, 1397, 1485, 1512, 1524, 1540, 1584, 1680, 1778, 1848, 1890, 1905, 1980, 2032, 2079, 2160, 2286, 2310, 2376, 2520, 2540, 2640, 2667, 2772, 2794, 2970, 3024, 3048, 3080, 3429, 3465, 3556, 3696, 3780, 3810, 3960, 4158, 4191, 4445, 4572, 4620, 4752, 5040, 5080, 5334, 5544, 5588, 5715, 5940, 6096, 6160, 6858, 6930, 6985, 7112, 7560, 7620, 7920, 8001, 8316, 8382, 8890, 9144, 9240, 9779, 10160, 10395, 10668, 11088, 11176, 11430, 11880, 12573, 13335, 13716, 13860, 13970, 14224, 15120, 15240, 16002, 16632, 16764, 17145, 17780, 18288, 18480, 19558, 20790, 20955, 21336, 22352, 22860, 23760, 24003, 25146, 26670, 27432, 27720, 27940, 29337, 30480, 32004, 33264, 33528, 34290, 35560, 37719, 39116, 40005, 41580, 41910, 42672, 45720, 48006, 48895, 50292, 53340, 54864, 55440, 55880, 58674, 62865, 64008, 67056, 68580, 71120, 75438, 78232, 80010, 83160, 83820, 88011, 91440, 96012, 97790, 100584, 106680, 111760, 117348, 120015, 125730, 128016, 137160, 146685, 150876, 156464, 160020, 166320, 167640, 176022, 188595, 192024, 195580, 201168, 213360, 234696, 240030, 251460, 264033, 274320, 293370, 301752, 320040, 335280, 352044, 377190, 384048, 391160, 440055, 469392, 480060, 502920, 528066, 586740, 603504, 640080, 704088, 754380, 782320, 880110, 960120, 1005840, 1056132, 1173480, 1320165, 1408176, 1508760, 1760220, 1920240, 2112264, 2346960, 2640330, 3017520, 3520440, 4224528, 5280660, 7040880, 10561320, 21122640]

約数ペア:

[(1, 21122640), (2, 10561320), (3, 7040880), (4, 5280660), (5, 4224528), (6, 3520440), (7, 3017520), (8, 2640330), (9, 2346960), (10, 2112264), (11, 1920240), (12, 1760220), (14, 1508760), (15, 1408176), (16, 1320165), (18, 1173480), (20, 1056132), (21, 1005840), (22, 960120), (24, 880110), (27, 782320), (28, 754380), (30, 704088), (33, 640080), (35, 603504), (36, 586740), (40, 528066), (42, 502920), (44, 480060), (45, 469392), (48, 440055), (54, 391160), (55, 384048), (56, 377190), (60, 352044), (63, 335280), (66, 320040), (70, 301752), (72, 293370), (77, 274320), (80, 264033), (84, 251460), (88, 240030), (90, 234696), (99, 213360), (105, 201168), (108, 195580), (110, 192024), (112, 188595), (120, 176022), (126, 167640), (127, 166320), (132, 160020), (135, 156464), (140, 150876), (144, 146685), (154, 137160), (165, 128016), (168, 125730), (176, 120015), (180, 117348), (189, 111760), (198, 106680), (210, 100584), (216, 97790), (220, 96012), (231, 91440), (240, 88011), (252, 83820), (254, 83160), (264, 80010), (270, 78232), (280, 75438), (297, 71120), (308, 68580), (315, 67056), (330, 64008), (336, 62865), (360, 58674), (378, 55880), (381, 55440), (385, 54864), (396, 53340), (420, 50292), (432, 48895), (440, 48006), (462, 45720), (495, 42672), (504, 41910), (508, 41580), (528, 40005), (540, 39116), (560, 37719), (594, 35560), (616, 34290), (630, 33528), (635, 33264), (660, 32004), (693, 30480), (720, 29337), (756, 27940), (762, 27720), (770, 27432), (792, 26670), (840, 25146), (880, 24003), (889, 23760), (924, 22860), (945, 22352), (990, 21336), (1008, 20955), (1016, 20790), (1080, 19558), (1143, 18480), (1155, 18288), (1188, 17780), (1232, 17145), (1260, 16764), (1270, 16632), (1320, 16002), (1386, 15240), (1397, 15120), (1485, 14224), (1512, 13970), (1524, 13860), (1540, 13716), (1584, 13335), (1680, 12573), (1778, 11880), (1848, 11430), (1890, 11176), (1905, 11088), (1980, 10668), (2032, 10395), (2079, 10160), (2160, 9779), (2286, 9240), (2310, 9144), (2376, 8890), (2520, 8382), (2540, 8316), (2640, 8001), (2667, 7920), (2772, 7620), (2794, 7560), (2970, 7112), (3024, 6985), (3048, 6930), (3080, 6858), (3429, 6160), (3465, 6096), (3556, 5940), (3696, 5715), (3780, 5588), (3810, 5544), (3960, 5334), (4158, 5080), (4191, 5040), (4445, 4752), (4572, 4620)]