21781820160

素因数分解:

$2^8\times 3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 576

約数和(自身を含む): 81095454720

約数和(自身を除く): 59313634560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 243, 248, 251, 256, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 486, 496, 502, 540, 558, 576, 620, 640, 648, 720, 729, 744, 753, 768, 810, 837, 864, 930, 960, 972, 992, 1004, 1080, 1116, 1152, 1215, 1240, 1255, 1280, 1296, 1395, 1440, 1458, 1488, 1506, 1620, 1674, 1728, 1860, 1920, 1944, 1984, 2008, 2160, 2187, 2232, 2259, 2304, 2430, 2480, 2510, 2511, 2592, 2790, 2880, 2916, 2976, 3012, 3240, 3348, 3456, 3645, 3720, 3765, 3840, 3888, 3968, 4016, 4185, 4320, 4374, 4464, 4518, 4860, 4960, 5020, 5022, 5184, 5580, 5760, 5832, 5952, 6024, 6480, 6696, 6777, 6912, 7290, 7440, 7530, 7533, 7776, 7781, 7936, 8032, 8370, 8640, 8748, 8928, 9036, 9720, 9920, 10040, 10044, 10368, 10935, 11160, 11295, 11520, 11664, 11904, 12048, 12555, 12960, 13392, 13554, 14580, 14880, 15060, 15066, 15552, 15562, 16064, 16740, 17280, 17496, 17856, 18072, 19440, 19840, 20080, 20088, 20331, 20736, 21870, 22320, 22590, 22599, 23328, 23343, 23808, 24096, 25110, 25920, 26784, 27108, 29160, 29760, 30120, 30132, 31104, 31124, 32128, 33480, 33885, 34560, 34992, 35712, 36144, 37665, 38880, 38905, 39680, 40160, 40176, 40662, 43740, 44640, 45180, 45198, 46656, 46686, 48192, 50220, 51840, 53568, 54216, 58320, 59520, 60240, 60264, 60993, 62208, 62248, 64256, 66960, 67770, 67797, 69984, 70029, 71424, 72288, 75330, 77760, 77810, 80320, 80352, 81324, 87480, 89280, 90360, 90396, 93312, 93372, 96384, 100440, 101655, 103680, 107136, 108432, 112995, 116640, 116715, 119040, 120480, 120528, 121986, 124496, 133920, 135540, 135594, 139968, 140058, 144576, 150660, 155520, 155620, 160640, 160704, 162648, 174960, 178560, 180720, 180792, 182979, 186624, 186744, 192768, 200880, 203310, 210087, 214272, 216864, 225990, 233280, 233430, 240960, 241056, 243972, 248992, 267840, 271080, 271188, 279936, 280116, 289152, 301320, 304965, 311040, 311240, 321280, 321408, 325296, 338985, 349920, 350145, 357120, 361440, 361584, 365958, 373488, 401760, 406620, 420174, 433728, 451980, 466560, 466860, 481920, 482112, 487944, 497984, 535680, 542160, 542376, 548937, 559872, 560232, 578304, 602640, 609930, 622480, 630261, 642816, 650592, 677970, 699840, 700290, 722880, 723168, 731916, 746976, 803520, 813240, 840348, 867456, 903960, 914895, 933120, 933720, 963840, 964224, 975888, 995968, 1050435, 1071360, 1084320, 1084752, 1097874, 1120464, 1205280, 1219860, 1244960, 1260522, 1301184, 1355940, 1399680, 1400580, 1445760, 1446336, 1463832, 1493952, 1607040, 1626480, 1680696, 1734912, 1807920, 1829790, 1867440, 1890783, 1928448, 1951776, 1991936, 2100870, 2168640, 2169504, 2195748, 2240928, 2410560, 2439720, 2489920, 2521044, 2602368, 2711880, 2744685, 2799360, 2801160, 2891520, 2892672, 2927664, 2987904, 3151305, 3214080, 3252960, 3361392, 3615840, 3659580, 3734880, 3781566, 3903552, 4201740, 4337280, 4339008, 4391496, 4481856, 4821120, 4879440, 4979840, 5042088, 5204736, 5423760, 5489370, 5602320, 5672349, 5785344, 5855328, 5975808, 6302610, 6505920, 6722784, 7231680, 7319160, 7469760, 7563132, 7807104, 8403480, 8674560, 8678016, 8782992, 8963712, 9453915, 9642240, 9758880, 9959680, 10084176, 10847520, 10978740, 11204640, 11344698, 11710656, 12605220, 13011840, 13445568, 14463360, 14638320, 14939520, 15126264, 15614208, 16806960, 17017047, 17356032, 17565984, 17927424, 18907830, 19517760, 20168352, 21695040, 21957480, 22409280, 22689396, 23421312, 25210440, 26023680, 26891136, 28361745, 28926720, 29276640, 29879040, 30252528, 33613920, 34034094, 35131968, 37815660, 39035520, 40336704, 43390080, 43914960, 44818560, 45378792, 46842624, 50420880, 53782272, 56723490, 58553280, 60505056, 67227840, 68068188, 70263936, 75631320, 78071040, 80673408, 85085235, 86780160, 87829920, 89637120, 90757584, 100841760, 113446980, 117106560, 121010112, 134455680, 136136376, 140527872, 151262640, 161346816, 170170470, 175659840, 181515168, 201683520, 226893960, 234213120, 242020224, 268911360, 272272752, 302525280, 340340940, 351319680, 363030336, 403367040, 453787920, 484040448, 544545504, 605050560, 680681880, 702639360, 726060672, 806734080, 907575840, 1089091008, 1210101120, 1361363760, 1452121344, 1815151680, 2178182016, 2420202240, 2722727520, 3630303360, 4356364032, 5445455040, 7260606720, 10890910080, 21781820160]

約数ペア:

[(1, 21781820160), (2, 10890910080), (3, 7260606720), (4, 5445455040), (5, 4356364032), (6, 3630303360), (8, 2722727520), (9, 2420202240), (10, 2178182016), (12, 1815151680), (15, 1452121344), (16, 1361363760), (18, 1210101120), (20, 1089091008), (24, 907575840), (27, 806734080), (30, 726060672), (31, 702639360), (32, 680681880), (36, 605050560), (40, 544545504), (45, 484040448), (48, 453787920), (54, 403367040), (60, 363030336), (62, 351319680), (64, 340340940), (72, 302525280), (80, 272272752), (81, 268911360), (90, 242020224), (93, 234213120), (96, 226893960), (108, 201683520), (120, 181515168), (124, 175659840), (128, 170170470), (135, 161346816), (144, 151262640), (155, 140527872), (160, 136136376), (162, 134455680), (180, 121010112), (186, 117106560), (192, 113446980), (216, 100841760), (240, 90757584), (243, 89637120), (248, 87829920), (251, 86780160), (256, 85085235), (270, 80673408), (279, 78071040), (288, 75631320), (310, 70263936), (320, 68068188), (324, 67227840), (360, 60505056), (372, 58553280), (384, 56723490), (405, 53782272), (432, 50420880), (465, 46842624), (480, 45378792), (486, 44818560), (496, 43914960), (502, 43390080), (540, 40336704), (558, 39035520), (576, 37815660), (620, 35131968), (640, 34034094), (648, 33613920), (720, 30252528), (729, 29879040), (744, 29276640), (753, 28926720), (768, 28361745), (810, 26891136), (837, 26023680), (864, 25210440), (930, 23421312), (960, 22689396), (972, 22409280), (992, 21957480), (1004, 21695040), (1080, 20168352), (1116, 19517760), (1152, 18907830), (1215, 17927424), (1240, 17565984), (1255, 17356032), (1280, 17017047), (1296, 16806960), (1395, 15614208), (1440, 15126264), (1458, 14939520), (1488, 14638320), (1506, 14463360), (1620, 13445568), (1674, 13011840), (1728, 12605220), (1860, 11710656), (1920, 11344698), (1944, 11204640), (1984, 10978740), (2008, 10847520), (2160, 10084176), (2187, 9959680), (2232, 9758880), (2259, 9642240), (2304, 9453915), (2430, 8963712), (2480, 8782992), (2510, 8678016), (2511, 8674560), (2592, 8403480), (2790, 7807104), (2880, 7563132), (2916, 7469760), (2976, 7319160), (3012, 7231680), (3240, 6722784), (3348, 6505920), (3456, 6302610), (3645, 5975808), (3720, 5855328), (3765, 5785344), (3840, 5672349), (3888, 5602320), (3968, 5489370), (4016, 5423760), (4185, 5204736), (4320, 5042088), (4374, 4979840), (4464, 4879440), (4518, 4821120), (4860, 4481856), (4960, 4391496), (5020, 4339008), (5022, 4337280), (5184, 4201740), (5580, 3903552), (5760, 3781566), (5832, 3734880), (5952, 3659580), (6024, 3615840), (6480, 3361392), (6696, 3252960), (6777, 3214080), (6912, 3151305), (7290, 2987904), (7440, 2927664), (7530, 2892672), (7533, 2891520), (7776, 2801160), (7781, 2799360), (7936, 2744685), (8032, 2711880), (8370, 2602368), (8640, 2521044), (8748, 2489920), (8928, 2439720), (9036, 2410560), (9720, 2240928), (9920, 2195748), (10040, 2169504), (10044, 2168640), (10368, 2100870), (10935, 1991936), (11160, 1951776), (11295, 1928448), (11520, 1890783), (11664, 1867440), (11904, 1829790), (12048, 1807920), (12555, 1734912), (12960, 1680696), (13392, 1626480), (13554, 1607040), (14580, 1493952), (14880, 1463832), (15060, 1446336), (15066, 1445760), (15552, 1400580), (15562, 1399680), (16064, 1355940), (16740, 1301184), (17280, 1260522), (17496, 1244960), (17856, 1219860), (18072, 1205280), (19440, 1120464), (19840, 1097874), (20080, 1084752), (20088, 1084320), (20331, 1071360), (20736, 1050435), (21870, 995968), (22320, 975888), (22590, 964224), (22599, 963840), (23328, 933720), (23343, 933120), (23808, 914895), (24096, 903960), (25110, 867456), (25920, 840348), (26784, 813240), (27108, 803520), (29160, 746976), (29760, 731916), (30120, 723168), (30132, 722880), (31104, 700290), (31124, 699840), (32128, 677970), (33480, 650592), (33885, 642816), (34560, 630261), (34992, 622480), (35712, 609930), (36144, 602640), (37665, 578304), (38880, 560232), (38905, 559872), (39680, 548937), (40160, 542376), (40176, 542160), (40662, 535680), (43740, 497984), (44640, 487944), (45180, 482112), (45198, 481920), (46656, 466860), (46686, 466560), (48192, 451980), (50220, 433728), (51840, 420174), (53568, 406620), (54216, 401760), (58320, 373488), (59520, 365958), (60240, 361584), (60264, 361440), (60993, 357120), (62208, 350145), (62248, 349920), (64256, 338985), (66960, 325296), (67770, 321408), (67797, 321280), (69984, 311240), (70029, 311040), (71424, 304965), (72288, 301320), (75330, 289152), (77760, 280116), (77810, 279936), (80320, 271188), (80352, 271080), (81324, 267840), (87480, 248992), (89280, 243972), (90360, 241056), (90396, 240960), (93312, 233430), (93372, 233280), (96384, 225990), (100440, 216864), (101655, 214272), (103680, 210087), (107136, 203310), (108432, 200880), (112995, 192768), (116640, 186744), (116715, 186624), (119040, 182979), (120480, 180792), (120528, 180720), (121986, 178560), (124496, 174960), (133920, 162648), (135540, 160704), (135594, 160640), (139968, 155620), (140058, 155520), (144576, 150660)]