21665670400

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 432

約数和(自身を含む): 63533308608

約数和(自身を除く): 41867638208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 32, 34, 40, 43, 44, 50, 55, 64, 68, 80, 85, 86, 88, 100, 110, 128, 136, 160, 170, 172, 176, 187, 200, 215, 220, 256, 272, 275, 320, 340, 344, 352, 374, 400, 421, 425, 430, 440, 473, 544, 550, 640, 680, 688, 704, 731, 748, 800, 842, 850, 860, 880, 935, 946, 1075, 1088, 1100, 1280, 1360, 1376, 1408, 1462, 1496, 1600, 1684, 1700, 1720, 1760, 1870, 1892, 2105, 2150, 2176, 2200, 2365, 2720, 2752, 2816, 2924, 2992, 3200, 3368, 3400, 3440, 3520, 3655, 3740, 3784, 4210, 4300, 4352, 4400, 4631, 4675, 4730, 5440, 5504, 5848, 5984, 6400, 6736, 6800, 6880, 7040, 7157, 7310, 7480, 7568, 8041, 8420, 8600, 8800, 9262, 9350, 9460, 10525, 10880, 11008, 11696, 11825, 11968, 13472, 13600, 13760, 14080, 14314, 14620, 14960, 15136, 16082, 16840, 17200, 17600, 18103, 18275, 18524, 18700, 18920, 21050, 21760, 23155, 23392, 23650, 23936, 26944, 27200, 27520, 28628, 29240, 29920, 30272, 32164, 33680, 34400, 35200, 35785, 36206, 36550, 37048, 37400, 37840, 40205, 42100, 46310, 46784, 47300, 47872, 53888, 54400, 55040, 57256, 58480, 59840, 60544, 64328, 67360, 68800, 70400, 71570, 72412, 73100, 74096, 74800, 75680, 78727, 80410, 84200, 90515, 92620, 93568, 94600, 107776, 108800, 114512, 115775, 116960, 119680, 121088, 128656, 134720, 137600, 143140, 144824, 146200, 148192, 149600, 151360, 157454, 160820, 168400, 178925, 181030, 185240, 187136, 189200, 199133, 201025, 229024, 231550, 233920, 239360, 257312, 269440, 275200, 286280, 289648, 292400, 296384, 299200, 302720, 307751, 314908, 321640, 336800, 357850, 362060, 370480, 378400, 393635, 398266, 402050, 452575, 458048, 463100, 467840, 514624, 538880, 572560, 579296, 584800, 592768, 598400, 605440, 615502, 629816, 643280, 673600, 715700, 724120, 740960, 756800, 787270, 796532, 804100, 905150, 916096, 926200, 935680, 995665, 1029248, 1145120, 1158592, 1169600, 1185536, 1196800, 1231004, 1259632, 1286560, 1347200, 1431400, 1448240, 1481920, 1513600, 1538755, 1574540, 1593064, 1608200, 1810300, 1832192, 1852400, 1968175, 1991330, 2058496, 2290240, 2317184, 2339200, 2462008, 2519264, 2573120, 2694400, 2862800, 2896480, 2963840, 3027200, 3077510, 3149080, 3186128, 3216400, 3385261, 3620600, 3704800, 3936350, 3982660, 4580480, 4634368, 4678400, 4924016, 4978325, 5038528, 5146240, 5725600, 5792960, 5927680, 6155020, 6298160, 6372256, 6432800, 6770522, 7241200, 7409600, 7693775, 7872700, 7965320, 9160960, 9848032, 9956650, 10077056, 10292480, 11451200, 11585920, 12310040, 12596320, 12744512, 12865600, 13541044, 14482400, 14819200, 15387550, 15745400, 15930640, 16926305, 19696064, 19913300, 20154112, 22902400, 23171840, 24620080, 25192640, 25489024, 25731200, 27082088, 28964800, 29638400, 30775100, 31490800, 31861280, 33852610, 39392128, 39826600, 45804800, 49240160, 50385280, 50978048, 51462400, 54164176, 57929600, 61550200, 62981600, 63722560, 67705220, 78784256, 79653200, 84631525, 98480320, 100770560, 108328352, 115859200, 123100400, 125963200, 127445120, 135410440, 159306400, 169263050, 196960640, 216656704, 246200800, 251926400, 254890240, 270820880, 318612800, 338526100, 393921280, 433313408, 492401600, 503852800, 541641760, 637225600, 677052200, 866626816, 984803200, 1083283520, 1274451200, 1354104400, 1969606400, 2166567040, 2708208800, 4333134080, 5416417600, 10832835200, 21665670400]

約数ペア:

[(1, 21665670400), (2, 10832835200), (4, 5416417600), (5, 4333134080), (8, 2708208800), (10, 2166567040), (11, 1969606400), (16, 1354104400), (17, 1274451200), (20, 1083283520), (22, 984803200), (25, 866626816), (32, 677052200), (34, 637225600), (40, 541641760), (43, 503852800), (44, 492401600), (50, 433313408), (55, 393921280), (64, 338526100), (68, 318612800), (80, 270820880), (85, 254890240), (86, 251926400), (88, 246200800), (100, 216656704), (110, 196960640), (128, 169263050), (136, 159306400), (160, 135410440), (170, 127445120), (172, 125963200), (176, 123100400), (187, 115859200), (200, 108328352), (215, 100770560), (220, 98480320), (256, 84631525), (272, 79653200), (275, 78784256), (320, 67705220), (340, 63722560), (344, 62981600), (352, 61550200), (374, 57929600), (400, 54164176), (421, 51462400), (425, 50978048), (430, 50385280), (440, 49240160), (473, 45804800), (544, 39826600), (550, 39392128), (640, 33852610), (680, 31861280), (688, 31490800), (704, 30775100), (731, 29638400), (748, 28964800), (800, 27082088), (842, 25731200), (850, 25489024), (860, 25192640), (880, 24620080), (935, 23171840), (946, 22902400), (1075, 20154112), (1088, 19913300), (1100, 19696064), (1280, 16926305), (1360, 15930640), (1376, 15745400), (1408, 15387550), (1462, 14819200), (1496, 14482400), (1600, 13541044), (1684, 12865600), (1700, 12744512), (1720, 12596320), (1760, 12310040), (1870, 11585920), (1892, 11451200), (2105, 10292480), (2150, 10077056), (2176, 9956650), (2200, 9848032), (2365, 9160960), (2720, 7965320), (2752, 7872700), (2816, 7693775), (2924, 7409600), (2992, 7241200), (3200, 6770522), (3368, 6432800), (3400, 6372256), (3440, 6298160), (3520, 6155020), (3655, 5927680), (3740, 5792960), (3784, 5725600), (4210, 5146240), (4300, 5038528), (4352, 4978325), (4400, 4924016), (4631, 4678400), (4675, 4634368), (4730, 4580480), (5440, 3982660), (5504, 3936350), (5848, 3704800), (5984, 3620600), (6400, 3385261), (6736, 3216400), (6800, 3186128), (6880, 3149080), (7040, 3077510), (7157, 3027200), (7310, 2963840), (7480, 2896480), (7568, 2862800), (8041, 2694400), (8420, 2573120), (8600, 2519264), (8800, 2462008), (9262, 2339200), (9350, 2317184), (9460, 2290240), (10525, 2058496), (10880, 1991330), (11008, 1968175), (11696, 1852400), (11825, 1832192), (11968, 1810300), (13472, 1608200), (13600, 1593064), (13760, 1574540), (14080, 1538755), (14314, 1513600), (14620, 1481920), (14960, 1448240), (15136, 1431400), (16082, 1347200), (16840, 1286560), (17200, 1259632), (17600, 1231004), (18103, 1196800), (18275, 1185536), (18524, 1169600), (18700, 1158592), (18920, 1145120), (21050, 1029248), (21760, 995665), (23155, 935680), (23392, 926200), (23650, 916096), (23936, 905150), (26944, 804100), (27200, 796532), (27520, 787270), (28628, 756800), (29240, 740960), (29920, 724120), (30272, 715700), (32164, 673600), (33680, 643280), (34400, 629816), (35200, 615502), (35785, 605440), (36206, 598400), (36550, 592768), (37048, 584800), (37400, 579296), (37840, 572560), (40205, 538880), (42100, 514624), (46310, 467840), (46784, 463100), (47300, 458048), (47872, 452575), (53888, 402050), (54400, 398266), (55040, 393635), (57256, 378400), (58480, 370480), (59840, 362060), (60544, 357850), (64328, 336800), (67360, 321640), (68800, 314908), (70400, 307751), (71570, 302720), (72412, 299200), (73100, 296384), (74096, 292400), (74800, 289648), (75680, 286280), (78727, 275200), (80410, 269440), (84200, 257312), (90515, 239360), (92620, 233920), (93568, 231550), (94600, 229024), (107776, 201025), (108800, 199133), (114512, 189200), (115775, 187136), (116960, 185240), (119680, 181030), (121088, 178925), (128656, 168400), (134720, 160820), (137600, 157454), (143140, 151360), (144824, 149600), (146200, 148192)]