20621653920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^3\times {\mathrm{4639}}^1$

素因数の和:4687

約数の個数: 480

約数和(自身を含む): 84889728000

約数和(自身を除く): 64268074080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 324, 336, 343, 360, 378, 392, 405, 420, 432, 441, 480, 490, 504, 540, 560, 567, 588, 630, 648, 672, 686, 720, 735, 756, 784, 810, 840, 864, 882, 945, 980, 1008, 1029, 1080, 1120, 1134, 1176, 1260, 1296, 1323, 1372, 1440, 1470, 1512, 1568, 1620, 1680, 1715, 1764, 1890, 1960, 2016, 2058, 2160, 2205, 2268, 2352, 2520, 2592, 2646, 2744, 2835, 2940, 3024, 3087, 3240, 3360, 3430, 3528, 3780, 3920, 3969, 4116, 4320, 4410, 4536, 4639, 4704, 5040, 5145, 5292, 5488, 5670, 5880, 6048, 6174, 6480, 6615, 6860, 7056, 7560, 7840, 7938, 8232, 8820, 9072, 9261, 9278, 10080, 10290, 10584, 10976, 11340, 11760, 12348, 12960, 13230, 13720, 13917, 14112, 15120, 15435, 15876, 16464, 17640, 18144, 18522, 18556, 19845, 20580, 21168, 22680, 23195, 23520, 24696, 26460, 27440, 27783, 27834, 30240, 30870, 31752, 32473, 32928, 35280, 37044, 37112, 39690, 41160, 41751, 42336, 45360, 46305, 46390, 49392, 52920, 54880, 55566, 55668, 61740, 63504, 64946, 69585, 70560, 74088, 74224, 79380, 82320, 83502, 90720, 92610, 92780, 97419, 98784, 105840, 111132, 111336, 123480, 125253, 127008, 129892, 138915, 139170, 148176, 148448, 158760, 162365, 164640, 167004, 185220, 185560, 194838, 208755, 211680, 222264, 222672, 227311, 246960, 250506, 259784, 277830, 278340, 292257, 296352, 317520, 324730, 334008, 370440, 371120, 375759, 389676, 417510, 444528, 445344, 454622, 487095, 493920, 501012, 519568, 555660, 556680, 584514, 626265, 635040, 649460, 668016, 681933, 740880, 742240, 751518, 779352, 835020, 876771, 889056, 909244, 974190, 1002024, 1039136, 1111320, 1113360, 1136555, 1169028, 1252530, 1298920, 1336032, 1363866, 1461285, 1481760, 1503036, 1558704, 1591177, 1670040, 1753542, 1818488, 1878795, 1948380, 2004048, 2045799, 2222640, 2226720, 2273110, 2338056, 2505060, 2597840, 2630313, 2727732, 2922570, 3006072, 3117408, 3182354, 3340080, 3409665, 3507084, 3636976, 3757590, 3896760, 4008096, 4091598, 4383855, 4445280, 4546220, 4676112, 4773531, 5010120, 5195680, 5260626, 5455464, 5845140, 6012144, 6137397, 6364708, 6680160, 6819330, 7014168, 7273952, 7515180, 7793520, 7955885, 8183196, 8767710, 9092440, 9352224, 9547062, 10020240, 10228995, 10521252, 10910928, 11690280, 12024288, 12274794, 12729416, 13151565, 13638660, 14028336, 14320593, 15030360, 15587040, 15911770, 16366392, 17535420, 18184880, 18412191, 19094124, 20040480, 20457990, 21042504, 21821856, 23380560, 23867655, 24549588, 25458832, 26303130, 27277320, 28056672, 28641186, 30060720, 30686985, 31823540, 32732784, 35070840, 36369760, 36824382, 38188248, 40915980, 42085008, 42961779, 46761120, 47735310, 49099176, 50917664, 52606260, 54554640, 57282372, 60121440, 61373970, 63647080, 65465568, 70141680, 71602965, 73648764, 76376496, 81831960, 84170016, 85923558, 92060955, 95470620, 98198352, 105212520, 109109280, 114564744, 122747940, 127294160, 128885337, 140283360, 143205930, 147297528, 152752992, 163663920, 171847116, 184121910, 190941240, 196396704, 210425040, 214808895, 229129488, 245495880, 254588320, 257770674, 286411860, 294595056, 327327840, 343694232, 368243820, 381882480, 420850080, 429617790, 458258976, 490991760, 515541348, 572823720, 589190112, 644426685, 687388464, 736487640, 763764960, 859235580, 981983520, 1031082696, 1145647440, 1288853370, 1374776928, 1472975280, 1718471160, 2062165392, 2291294880, 2577706740, 2945950560, 3436942320, 4124330784, 5155413480, 6873884640, 10310826960, 20621653920]

約数ペア:

[(1, 20621653920), (2, 10310826960), (3, 6873884640), (4, 5155413480), (5, 4124330784), (6, 3436942320), (7, 2945950560), (8, 2577706740), (9, 2291294880), (10, 2062165392), (12, 1718471160), (14, 1472975280), (15, 1374776928), (16, 1288853370), (18, 1145647440), (20, 1031082696), (21, 981983520), (24, 859235580), (27, 763764960), (28, 736487640), (30, 687388464), (32, 644426685), (35, 589190112), (36, 572823720), (40, 515541348), (42, 490991760), (45, 458258976), (48, 429617790), (49, 420850080), (54, 381882480), (56, 368243820), (60, 343694232), (63, 327327840), (70, 294595056), (72, 286411860), (80, 257770674), (81, 254588320), (84, 245495880), (90, 229129488), (96, 214808895), (98, 210425040), (105, 196396704), (108, 190941240), (112, 184121910), (120, 171847116), (126, 163663920), (135, 152752992), (140, 147297528), (144, 143205930), (147, 140283360), (160, 128885337), (162, 127294160), (168, 122747940), (180, 114564744), (189, 109109280), (196, 105212520), (210, 98198352), (216, 95470620), (224, 92060955), (240, 85923558), (245, 84170016), (252, 81831960), (270, 76376496), (280, 73648764), (288, 71602965), (294, 70141680), (315, 65465568), (324, 63647080), (336, 61373970), (343, 60121440), (360, 57282372), (378, 54554640), (392, 52606260), (405, 50917664), (420, 49099176), (432, 47735310), (441, 46761120), (480, 42961779), (490, 42085008), (504, 40915980), (540, 38188248), (560, 36824382), (567, 36369760), (588, 35070840), (630, 32732784), (648, 31823540), (672, 30686985), (686, 30060720), (720, 28641186), (735, 28056672), (756, 27277320), (784, 26303130), (810, 25458832), (840, 24549588), (864, 23867655), (882, 23380560), (945, 21821856), (980, 21042504), (1008, 20457990), (1029, 20040480), (1080, 19094124), (1120, 18412191), (1134, 18184880), (1176, 17535420), (1260, 16366392), (1296, 15911770), (1323, 15587040), (1372, 15030360), (1440, 14320593), (1470, 14028336), (1512, 13638660), (1568, 13151565), (1620, 12729416), (1680, 12274794), (1715, 12024288), (1764, 11690280), (1890, 10910928), (1960, 10521252), (2016, 10228995), (2058, 10020240), (2160, 9547062), (2205, 9352224), (2268, 9092440), (2352, 8767710), (2520, 8183196), (2592, 7955885), (2646, 7793520), (2744, 7515180), (2835, 7273952), (2940, 7014168), (3024, 6819330), (3087, 6680160), (3240, 6364708), (3360, 6137397), (3430, 6012144), (3528, 5845140), (3780, 5455464), (3920, 5260626), (3969, 5195680), (4116, 5010120), (4320, 4773531), (4410, 4676112), (4536, 4546220), (4639, 4445280), (4704, 4383855), (5040, 4091598), (5145, 4008096), (5292, 3896760), (5488, 3757590), (5670, 3636976), (5880, 3507084), (6048, 3409665), (6174, 3340080), (6480, 3182354), (6615, 3117408), (6860, 3006072), (7056, 2922570), (7560, 2727732), (7840, 2630313), (7938, 2597840), (8232, 2505060), (8820, 2338056), (9072, 2273110), (9261, 2226720), (9278, 2222640), (10080, 2045799), (10290, 2004048), (10584, 1948380), (10976, 1878795), (11340, 1818488), (11760, 1753542), (12348, 1670040), (12960, 1591177), (13230, 1558704), (13720, 1503036), (13917, 1481760), (14112, 1461285), (15120, 1363866), (15435, 1336032), (15876, 1298920), (16464, 1252530), (17640, 1169028), (18144, 1136555), (18522, 1113360), (18556, 1111320), (19845, 1039136), (20580, 1002024), (21168, 974190), (22680, 909244), (23195, 889056), (23520, 876771), (24696, 835020), (26460, 779352), (27440, 751518), (27783, 742240), (27834, 740880), (30240, 681933), (30870, 668016), (31752, 649460), (32473, 635040), (32928, 626265), (35280, 584514), (37044, 556680), (37112, 555660), (39690, 519568), (41160, 501012), (41751, 493920), (42336, 487095), (45360, 454622), (46305, 445344), (46390, 444528), (49392, 417510), (52920, 389676), (54880, 375759), (55566, 371120), (55668, 370440), (61740, 334008), (63504, 324730), (64946, 317520), (69585, 296352), (70560, 292257), (74088, 278340), (74224, 277830), (79380, 259784), (82320, 250506), (83502, 246960), (90720, 227311), (92610, 222672), (92780, 222264), (97419, 211680), (98784, 208755), (105840, 194838), (111132, 185560), (111336, 185220), (123480, 167004), (125253, 164640), (127008, 162365), (129892, 158760), (138915, 148448), (139170, 148176)]