19988363520

素因数分解:

$2^8\times 3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 504

約数和(自身を含む): 74207599872

約数和(自身を除く): 54219236352

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, 256, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 486, 496, 540, 558, 576, 620, 640, 648, 691, 720, 729, 744, 768, 810, 837, 864, 930, 960, 972, 992, 1080, 1116, 1152, 1215, 1240, 1280, 1296, 1382, 1395, 1440, 1458, 1488, 1620, 1674, 1728, 1860, 1920, 1944, 1984, 2073, 2160, 2232, 2304, 2430, 2480, 2511, 2592, 2764, 2790, 2880, 2916, 2976, 3240, 3348, 3455, 3456, 3645, 3720, 3840, 3888, 3968, 4146, 4185, 4320, 4464, 4860, 4960, 5022, 5184, 5528, 5580, 5760, 5832, 5952, 6219, 6480, 6696, 6910, 6912, 7290, 7440, 7533, 7776, 7936, 8292, 8370, 8640, 8928, 9720, 9920, 10044, 10365, 10368, 11056, 11160, 11520, 11664, 11904, 12438, 12555, 12960, 13392, 13820, 14580, 14880, 15066, 15552, 16584, 16740, 17280, 17856, 18657, 19440, 19840, 20088, 20730, 20736, 21421, 22112, 22320, 22599, 23328, 23808, 24876, 25110, 25920, 26784, 27640, 29160, 29760, 30132, 31095, 31104, 33168, 33480, 34560, 35712, 37314, 37665, 38880, 39680, 40176, 41460, 42842, 44224, 44640, 45198, 46656, 49752, 50220, 51840, 53568, 55280, 55971, 58320, 59520, 60264, 62190, 62208, 64263, 66336, 66960, 71424, 74628, 75330, 77760, 80352, 82920, 85684, 88448, 89280, 90396, 93285, 93312, 99504, 100440, 103680, 107105, 107136, 110560, 111942, 112995, 116640, 119040, 120528, 124380, 128526, 132672, 133920, 149256, 150660, 155520, 160704, 165840, 167913, 171368, 176896, 178560, 180792, 186570, 186624, 192789, 199008, 200880, 214210, 214272, 221120, 223884, 225990, 233280, 241056, 248760, 257052, 265344, 267840, 279855, 298512, 301320, 311040, 321315, 321408, 331680, 335826, 342736, 357120, 361584, 373140, 385578, 398016, 401760, 428420, 442240, 447768, 451980, 466560, 482112, 497520, 503739, 514104, 530688, 535680, 559710, 578367, 597024, 602640, 642630, 642816, 663360, 671652, 685472, 723168, 746280, 771156, 796032, 803520, 839565, 856840, 884480, 895536, 903960, 933120, 963945, 964224, 995040, 1007478, 1028208, 1071360, 1119420, 1156734, 1194048, 1205280, 1285260, 1326720, 1343304, 1370944, 1446336, 1492560, 1542312, 1592064, 1607040, 1679130, 1713680, 1735101, 1791072, 1807920, 1927890, 1928448, 1990080, 2014956, 2056416, 2238840, 2313468, 2388096, 2410560, 2518695, 2570520, 2653440, 2686608, 2741888, 2891835, 2892672, 2985120, 3084624, 3214080, 3358260, 3427360, 3470202, 3582144, 3615840, 3855780, 3980160, 4029912, 4112832, 4477680, 4626936, 4776192, 4821120, 5037390, 5141040, 5205303, 5373216, 5483776, 5783670, 5785344, 5970240, 6169248, 6716520, 6854720, 6940404, 7164288, 7231680, 7711560, 7960320, 8059824, 8225664, 8675505, 8955360, 9253872, 9642240, 10074780, 10282080, 10410606, 10746432, 11567340, 11940480, 12338496, 13433040, 13709440, 13880808, 14328576, 14463360, 15423120, 15615909, 16119648, 16451328, 17351010, 17910720, 18507744, 20149560, 20564160, 20821212, 21492864, 23134680, 23880960, 24676992, 26026515, 26866080, 27418880, 27761616, 28926720, 30846240, 31231818, 32239296, 34702020, 35821440, 37015488, 40299120, 41128320, 41642424, 42985728, 46269360, 49353984, 52053030, 53732160, 55523232, 61692480, 62463636, 64478592, 69404040, 71642880, 74030976, 78079545, 80598240, 82256640, 83284848, 92538720, 104106060, 107464320, 111046464, 123384960, 124927272, 128957184, 138808080, 148061952, 156159090, 161196480, 166569696, 185077440, 208212120, 214928640, 222092928, 246769920, 249854544, 277616160, 312318180, 322392960, 333139392, 370154880, 416424240, 444185856, 499709088, 555232320, 624636360, 644785920, 666278784, 740309760, 832848480, 999418176, 1110464640, 1249272720, 1332557568, 1665696960, 1998836352, 2220929280, 2498545440, 3331393920, 3997672704, 4997090880, 6662787840, 9994181760, 19988363520]

約数ペア:

[(1, 19988363520), (2, 9994181760), (3, 6662787840), (4, 4997090880), (5, 3997672704), (6, 3331393920), (8, 2498545440), (9, 2220929280), (10, 1998836352), (12, 1665696960), (15, 1332557568), (16, 1249272720), (18, 1110464640), (20, 999418176), (24, 832848480), (27, 740309760), (30, 666278784), (31, 644785920), (32, 624636360), (36, 555232320), (40, 499709088), (45, 444185856), (48, 416424240), (54, 370154880), (60, 333139392), (62, 322392960), (64, 312318180), (72, 277616160), (80, 249854544), (81, 246769920), (90, 222092928), (93, 214928640), (96, 208212120), (108, 185077440), (120, 166569696), (124, 161196480), (128, 156159090), (135, 148061952), (144, 138808080), (155, 128957184), (160, 124927272), (162, 123384960), (180, 111046464), (186, 107464320), (192, 104106060), (216, 92538720), (240, 83284848), (243, 82256640), (248, 80598240), (256, 78079545), (270, 74030976), (279, 71642880), (288, 69404040), (310, 64478592), (320, 62463636), (324, 61692480), (360, 55523232), (372, 53732160), (384, 52053030), (405, 49353984), (432, 46269360), (465, 42985728), (480, 41642424), (486, 41128320), (496, 40299120), (540, 37015488), (558, 35821440), (576, 34702020), (620, 32239296), (640, 31231818), (648, 30846240), (691, 28926720), (720, 27761616), (729, 27418880), (744, 26866080), (768, 26026515), (810, 24676992), (837, 23880960), (864, 23134680), (930, 21492864), (960, 20821212), (972, 20564160), (992, 20149560), (1080, 18507744), (1116, 17910720), (1152, 17351010), (1215, 16451328), (1240, 16119648), (1280, 15615909), (1296, 15423120), (1382, 14463360), (1395, 14328576), (1440, 13880808), (1458, 13709440), (1488, 13433040), (1620, 12338496), (1674, 11940480), (1728, 11567340), (1860, 10746432), (1920, 10410606), (1944, 10282080), (1984, 10074780), (2073, 9642240), (2160, 9253872), (2232, 8955360), (2304, 8675505), (2430, 8225664), (2480, 8059824), (2511, 7960320), (2592, 7711560), (2764, 7231680), (2790, 7164288), (2880, 6940404), (2916, 6854720), (2976, 6716520), (3240, 6169248), (3348, 5970240), (3455, 5785344), (3456, 5783670), (3645, 5483776), (3720, 5373216), (3840, 5205303), (3888, 5141040), (3968, 5037390), (4146, 4821120), (4185, 4776192), (4320, 4626936), (4464, 4477680), (4860, 4112832), (4960, 4029912), (5022, 3980160), (5184, 3855780), (5528, 3615840), (5580, 3582144), (5760, 3470202), (5832, 3427360), (5952, 3358260), (6219, 3214080), (6480, 3084624), (6696, 2985120), (6910, 2892672), (6912, 2891835), (7290, 2741888), (7440, 2686608), (7533, 2653440), (7776, 2570520), (7936, 2518695), (8292, 2410560), (8370, 2388096), (8640, 2313468), (8928, 2238840), (9720, 2056416), (9920, 2014956), (10044, 1990080), (10365, 1928448), (10368, 1927890), (11056, 1807920), (11160, 1791072), (11520, 1735101), (11664, 1713680), (11904, 1679130), (12438, 1607040), (12555, 1592064), (12960, 1542312), (13392, 1492560), (13820, 1446336), (14580, 1370944), (14880, 1343304), (15066, 1326720), (15552, 1285260), (16584, 1205280), (16740, 1194048), (17280, 1156734), (17856, 1119420), (18657, 1071360), (19440, 1028208), (19840, 1007478), (20088, 995040), (20730, 964224), (20736, 963945), (21421, 933120), (22112, 903960), (22320, 895536), (22599, 884480), (23328, 856840), (23808, 839565), (24876, 803520), (25110, 796032), (25920, 771156), (26784, 746280), (27640, 723168), (29160, 685472), (29760, 671652), (30132, 663360), (31095, 642816), (31104, 642630), (33168, 602640), (33480, 597024), (34560, 578367), (35712, 559710), (37314, 535680), (37665, 530688), (38880, 514104), (39680, 503739), (40176, 497520), (41460, 482112), (42842, 466560), (44224, 451980), (44640, 447768), (45198, 442240), (46656, 428420), (49752, 401760), (50220, 398016), (51840, 385578), (53568, 373140), (55280, 361584), (55971, 357120), (58320, 342736), (59520, 335826), (60264, 331680), (62190, 321408), (62208, 321315), (64263, 311040), (66336, 301320), (66960, 298512), (71424, 279855), (74628, 267840), (75330, 265344), (77760, 257052), (80352, 248760), (82920, 241056), (85684, 233280), (88448, 225990), (89280, 223884), (90396, 221120), (93285, 214272), (93312, 214210), (99504, 200880), (100440, 199008), (103680, 192789), (107105, 186624), (107136, 186570), (110560, 180792), (111942, 178560), (112995, 176896), (116640, 171368), (119040, 167913), (120528, 165840), (124380, 160704), (128526, 155520), (132672, 150660), (133920, 149256)]