20657548800

素因数分解:

$2^9\times 3^3\times 5^2\times 7^1\times {\mathrm{8539}}^1$

素因数の和:8583

約数の個数: 480

約数和(自身を含む): 86665286400

約数和(自身を除く): 66007737600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 64, 70, 72, 75, 80, 84, 90, 96, 100, 105, 108, 112, 120, 126, 128, 135, 140, 144, 150, 160, 168, 175, 180, 189, 192, 200, 210, 216, 224, 225, 240, 252, 256, 270, 280, 288, 300, 315, 320, 336, 350, 360, 378, 384, 400, 420, 432, 448, 450, 480, 504, 512, 525, 540, 560, 576, 600, 630, 640, 672, 675, 700, 720, 756, 768, 800, 840, 864, 896, 900, 945, 960, 1008, 1050, 1080, 1120, 1152, 1200, 1260, 1280, 1344, 1350, 1400, 1440, 1512, 1536, 1575, 1600, 1680, 1728, 1792, 1800, 1890, 1920, 2016, 2100, 2160, 2240, 2304, 2400, 2520, 2560, 2688, 2700, 2800, 2880, 3024, 3150, 3200, 3360, 3456, 3584, 3600, 3780, 3840, 4032, 4200, 4320, 4480, 4608, 4725, 4800, 5040, 5376, 5400, 5600, 5760, 6048, 6300, 6400, 6720, 6912, 7200, 7560, 7680, 8064, 8400, 8539, 8640, 8960, 9450, 9600, 10080, 10752, 10800, 11200, 11520, 12096, 12600, 12800, 13440, 13824, 14400, 15120, 16128, 16800, 17078, 17280, 17920, 18900, 19200, 20160, 21600, 22400, 23040, 24192, 25200, 25617, 26880, 28800, 30240, 32256, 33600, 34156, 34560, 37800, 38400, 40320, 42695, 43200, 44800, 48384, 50400, 51234, 53760, 57600, 59773, 60480, 67200, 68312, 69120, 75600, 76851, 80640, 85390, 86400, 89600, 96768, 100800, 102468, 115200, 119546, 120960, 128085, 134400, 136624, 151200, 153702, 161280, 170780, 172800, 179319, 201600, 204936, 213475, 230553, 239092, 241920, 256170, 268800, 273248, 298865, 302400, 307404, 341560, 345600, 358638, 384255, 403200, 409872, 426950, 461106, 478184, 483840, 512340, 537957, 546496, 597730, 604800, 614808, 640425, 683120, 717276, 768510, 806400, 819744, 853900, 896595, 922212, 956368, 1024680, 1075914, 1092992, 1152765, 1195460, 1209600, 1229616, 1280850, 1366240, 1434552, 1494325, 1537020, 1613871, 1639488, 1707800, 1793190, 1844424, 1912736, 1921275, 2049360, 2151828, 2185984, 2305530, 2390920, 2419200, 2459232, 2561700, 2689785, 2732480, 2869104, 2988650, 3074040, 3227742, 3278976, 3415600, 3586380, 3688848, 3825472, 3842550, 4098720, 4303656, 4371968, 4482975, 4611060, 4781840, 4918464, 5123400, 5379570, 5464960, 5738208, 5763825, 5977300, 6148080, 6455484, 6557952, 6831200, 7172760, 7377696, 7650944, 7685100, 8069355, 8197440, 8607312, 8965950, 9222120, 9563680, 9836928, 10246800, 10759140, 10929920, 11476416, 11527650, 11954600, 12296160, 12910968, 13115904, 13448925, 13662400, 14345520, 14755392, 15301888, 15370200, 16138710, 16394880, 17214624, 17931900, 18444240, 19127360, 19673856, 20493600, 21518280, 21859840, 22952832, 23055300, 23909200, 24592320, 25821936, 26897850, 27324800, 28691040, 29510784, 30603776, 30740400, 32277420, 32789760, 34429248, 35863800, 36888480, 38254720, 39347712, 40346775, 40987200, 43036560, 45905664, 46110600, 47818400, 49184640, 51643872, 53795700, 54649600, 57382080, 59021568, 61480800, 64554840, 65579520, 68858496, 71727600, 73776960, 76509440, 80693550, 81974400, 86073120, 91811328, 92221200, 95636800, 98369280, 103287744, 107591400, 109299200, 114764160, 118043136, 122961600, 129109680, 137716992, 143455200, 147553920, 153018880, 161387100, 163948800, 172146240, 184442400, 191273600, 196738560, 206575488, 215182800, 229528320, 245923200, 258219360, 275433984, 286910400, 295107840, 322774200, 327897600, 344292480, 368884800, 382547200, 413150976, 430365600, 459056640, 491846400, 516438720, 573820800, 590215680, 645548400, 688584960, 737769600, 765094400, 826301952, 860731200, 983692800, 1032877440, 1147641600, 1291096800, 1377169920, 1475539200, 1721462400, 2065754880, 2295283200, 2582193600, 2951078400, 3442924800, 4131509760, 5164387200, 6885849600, 10328774400, 20657548800]

約数ペア:

[(1, 20657548800), (2, 10328774400), (3, 6885849600), (4, 5164387200), (5, 4131509760), (6, 3442924800), (7, 2951078400), (8, 2582193600), (9, 2295283200), (10, 2065754880), (12, 1721462400), (14, 1475539200), (15, 1377169920), (16, 1291096800), (18, 1147641600), (20, 1032877440), (21, 983692800), (24, 860731200), (25, 826301952), (27, 765094400), (28, 737769600), (30, 688584960), (32, 645548400), (35, 590215680), (36, 573820800), (40, 516438720), (42, 491846400), (45, 459056640), (48, 430365600), (50, 413150976), (54, 382547200), (56, 368884800), (60, 344292480), (63, 327897600), (64, 322774200), (70, 295107840), (72, 286910400), (75, 275433984), (80, 258219360), (84, 245923200), (90, 229528320), (96, 215182800), (100, 206575488), (105, 196738560), (108, 191273600), (112, 184442400), (120, 172146240), (126, 163948800), (128, 161387100), (135, 153018880), (140, 147553920), (144, 143455200), (150, 137716992), (160, 129109680), (168, 122961600), (175, 118043136), (180, 114764160), (189, 109299200), (192, 107591400), (200, 103287744), (210, 98369280), (216, 95636800), (224, 92221200), (225, 91811328), (240, 86073120), (252, 81974400), (256, 80693550), (270, 76509440), (280, 73776960), (288, 71727600), (300, 68858496), (315, 65579520), (320, 64554840), (336, 61480800), (350, 59021568), (360, 57382080), (378, 54649600), (384, 53795700), (400, 51643872), (420, 49184640), (432, 47818400), (448, 46110600), (450, 45905664), (480, 43036560), (504, 40987200), (512, 40346775), (525, 39347712), (540, 38254720), (560, 36888480), (576, 35863800), (600, 34429248), (630, 32789760), (640, 32277420), (672, 30740400), (675, 30603776), (700, 29510784), (720, 28691040), (756, 27324800), (768, 26897850), (800, 25821936), (840, 24592320), (864, 23909200), (896, 23055300), (900, 22952832), (945, 21859840), (960, 21518280), (1008, 20493600), (1050, 19673856), (1080, 19127360), (1120, 18444240), (1152, 17931900), (1200, 17214624), (1260, 16394880), (1280, 16138710), (1344, 15370200), (1350, 15301888), (1400, 14755392), (1440, 14345520), (1512, 13662400), (1536, 13448925), (1575, 13115904), (1600, 12910968), (1680, 12296160), (1728, 11954600), (1792, 11527650), (1800, 11476416), (1890, 10929920), (1920, 10759140), (2016, 10246800), (2100, 9836928), (2160, 9563680), (2240, 9222120), (2304, 8965950), (2400, 8607312), (2520, 8197440), (2560, 8069355), (2688, 7685100), (2700, 7650944), (2800, 7377696), (2880, 7172760), (3024, 6831200), (3150, 6557952), (3200, 6455484), (3360, 6148080), (3456, 5977300), (3584, 5763825), (3600, 5738208), (3780, 5464960), (3840, 5379570), (4032, 5123400), (4200, 4918464), (4320, 4781840), (4480, 4611060), (4608, 4482975), (4725, 4371968), (4800, 4303656), (5040, 4098720), (5376, 3842550), (5400, 3825472), (5600, 3688848), (5760, 3586380), (6048, 3415600), (6300, 3278976), (6400, 3227742), (6720, 3074040), (6912, 2988650), (7200, 2869104), (7560, 2732480), (7680, 2689785), (8064, 2561700), (8400, 2459232), (8539, 2419200), (8640, 2390920), (8960, 2305530), (9450, 2185984), (9600, 2151828), (10080, 2049360), (10752, 1921275), (10800, 1912736), (11200, 1844424), (11520, 1793190), (12096, 1707800), (12600, 1639488), (12800, 1613871), (13440, 1537020), (13824, 1494325), (14400, 1434552), (15120, 1366240), (16128, 1280850), (16800, 1229616), (17078, 1209600), (17280, 1195460), (17920, 1152765), (18900, 1092992), (19200, 1075914), (20160, 1024680), (21600, 956368), (22400, 922212), (23040, 896595), (24192, 853900), (25200, 819744), (25617, 806400), (26880, 768510), (28800, 717276), (30240, 683120), (32256, 640425), (33600, 614808), (34156, 604800), (34560, 597730), (37800, 546496), (38400, 537957), (40320, 512340), (42695, 483840), (43200, 478184), (44800, 461106), (48384, 426950), (50400, 409872), (51234, 403200), (53760, 384255), (57600, 358638), (59773, 345600), (60480, 341560), (67200, 307404), (68312, 302400), (69120, 298865), (75600, 273248), (76851, 268800), (80640, 256170), (85390, 241920), (86400, 239092), (89600, 230553), (96768, 213475), (100800, 204936), (102468, 201600), (115200, 179319), (119546, 172800), (120960, 170780), (128085, 161280), (134400, 153702), (136624, 151200)]