20402979840

素因数分解:

$2^{10}\times 3^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:117

約数の個数: 792

約数和(自身を含む): 79112587008

約数和(自身を除く): 58709607168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 31, 32, 36, 40, 45, 46, 48, 54, 60, 62, 64, 69, 72, 80, 81, 90, 92, 93, 96, 108, 115, 120, 124, 128, 135, 138, 144, 155, 160, 162, 180, 184, 186, 192, 207, 216, 230, 240, 243, 248, 256, 270, 276, 279, 288, 310, 320, 324, 345, 360, 368, 372, 384, 405, 414, 432, 460, 465, 480, 486, 496, 512, 529, 540, 552, 558, 576, 620, 621, 640, 648, 690, 713, 720, 736, 744, 768, 810, 828, 837, 864, 920, 930, 960, 972, 992, 1024, 1035, 1058, 1080, 1104, 1116, 1152, 1215, 1240, 1242, 1280, 1296, 1380, 1395, 1426, 1440, 1472, 1488, 1536, 1587, 1620, 1656, 1674, 1728, 1840, 1860, 1863, 1920, 1944, 1984, 2070, 2116, 2139, 2160, 2208, 2232, 2304, 2430, 2480, 2484, 2511, 2560, 2592, 2645, 2760, 2790, 2852, 2880, 2944, 2976, 3072, 3105, 3174, 3240, 3312, 3348, 3456, 3565, 3680, 3720, 3726, 3840, 3888, 3968, 4140, 4185, 4232, 4278, 4320, 4416, 4464, 4608, 4761, 4860, 4960, 4968, 5022, 5120, 5184, 5290, 5520, 5580, 5589, 5704, 5760, 5888, 5952, 6210, 6348, 6417, 6480, 6624, 6696, 6912, 7130, 7360, 7440, 7452, 7533, 7680, 7776, 7935, 7936, 8280, 8370, 8464, 8556, 8640, 8832, 8928, 9216, 9315, 9522, 9720, 9920, 9936, 10044, 10368, 10580, 10695, 11040, 11160, 11178, 11408, 11520, 11776, 11904, 12420, 12555, 12696, 12834, 12960, 13248, 13392, 13824, 14260, 14283, 14720, 14880, 14904, 15066, 15360, 15552, 15870, 15872, 16399, 16560, 16740, 16928, 17112, 17280, 17664, 17856, 18630, 19044, 19251, 19440, 19840, 19872, 20088, 20736, 21160, 21390, 22080, 22320, 22356, 22816, 23040, 23552, 23805, 23808, 24840, 25110, 25392, 25668, 25920, 26496, 26784, 27648, 27945, 28520, 28566, 29440, 29760, 29808, 30132, 31104, 31740, 31744, 32085, 32798, 33120, 33480, 33856, 34224, 34560, 35328, 35712, 37260, 37665, 38088, 38502, 38880, 39680, 39744, 40176, 41472, 42320, 42780, 42849, 44160, 44640, 44712, 45632, 46080, 47610, 47616, 49197, 49680, 50220, 50784, 51336, 51840, 52992, 53568, 55890, 57040, 57132, 57753, 58880, 59520, 59616, 60264, 62208, 63480, 64170, 65596, 66240, 66960, 67712, 68448, 69120, 70656, 71415, 71424, 74520, 75330, 76176, 77004, 77760, 79360, 79488, 80352, 81995, 82944, 84640, 85560, 85698, 88320, 89280, 89424, 91264, 95220, 95232, 96255, 98394, 99360, 100440, 101568, 102672, 103680, 105984, 107136, 111780, 114080, 114264, 115506, 117760, 119040, 119232, 120528, 124416, 126960, 128340, 128547, 131192, 132480, 133920, 135424, 136896, 138240, 142830, 142848, 147591, 149040, 150660, 152352, 154008, 155520, 158720, 158976, 160704, 163990, 169280, 171120, 171396, 173259, 176640, 178560, 178848, 182528, 190440, 192510, 196788, 198720, 200880, 203136, 205344, 207360, 211968, 214245, 214272, 223560, 228160, 228528, 231012, 238080, 238464, 241056, 245985, 248832, 253920, 256680, 257094, 262384, 264960, 267840, 270848, 273792, 285660, 285696, 288765, 295182, 298080, 301320, 304704, 308016, 311040, 317952, 321408, 327980, 338560, 342240, 342792, 346518, 353280, 357120, 357696, 365056, 380880, 385020, 393576, 397440, 401760, 406272, 410688, 414720, 428490, 428544, 442773, 447120, 456320, 457056, 462024, 476160, 476928, 482112, 491970, 507840, 513360, 514188, 524768, 529920, 535680, 541696, 547584, 571320, 577530, 590364, 596160, 602640, 609408, 616032, 622080, 635904, 642735, 642816, 655960, 677120, 684480, 685584, 693036, 714240, 715392, 730112, 737955, 761760, 770040, 787152, 794880, 803520, 812544, 821376, 856980, 857088, 866295, 885546, 894240, 912640, 914112, 924048, 953856, 964224, 983940, 1015680, 1026720, 1028376, 1049536, 1059840, 1071360, 1095168, 1142640, 1155060, 1180728, 1192320, 1205280, 1218816, 1232064, 1244160, 1285470, 1285632, 1311920, 1328319, 1354240, 1368960, 1371168, 1386072, 1428480, 1430784, 1475910, 1523520, 1540080, 1574304, 1589760, 1607040, 1625088, 1642752, 1713960, 1732590, 1771092, 1788480, 1825280, 1828224, 1848096, 1907712, 1928448, 1967880, 2031360, 2053440, 2056752, 2099072, 2142720, 2190336, 2213865, 2285280, 2310120, 2361456, 2384640, 2410560, 2437632, 2464128, 2570940, 2571264, 2623840, 2656638, 2708480, 2737920, 2742336, 2772144, 2861568, 2951820, 3047040, 3080160, 3148608, 3179520, 3214080, 3285504, 3427920, 3465180, 3542184, 3576960, 3650560, 3656448, 3696192, 3856896, 3935760, 3984957, 4062720, 4106880, 4113504, 4198144, 4285440, 4427730, 4570560, 4620240, 4722912, 4769280, 4821120, 4875264, 4928256, 5141880, 5247680, 5313276, 5475840, 5484672, 5544288, 5723136, 5903640, 6094080, 6160320, 6297216, 6428160, 6571008, 6641595, 6855840, 6930360, 7084368, 7153920, 7312896, 7392384, 7713792, 7871520, 7969914, 8125440, 8213760, 8227008, 8396288, 8855460, 9141120, 9240480, 9445824, 9538560, 9642240, 9856512, 10283760, 10495360, 10626552, 10951680, 10969344, 11088576, 11807280, 12188160, 12320640, 12594432, 12856320, 13283190, 13711680, 13860720, 14168736, 14307840, 14625792, 14784768, 15743040, 15939828, 16427520, 16454016, 16792576, 17710920, 18282240, 18480960, 18891648, 19284480, 19713024, 19924785, 20567520, 20990720, 21253104, 21938688, 22177152, 23614560, 24376320, 24641280, 25188864, 26566380, 27423360, 27721440, 28337472, 28615680, 29569536, 31486080, 31879656, 32855040, 32908032, 35421840, 36564480, 36961920, 37783296, 38568960, 39849570, 41135040, 41981440, 42506208, 43877376, 44354304, 47229120, 49282560, 50377728, 53132760, 54846720, 55442880, 56674944, 59139072, 62972160, 63759312, 65816064, 70843680, 73128960, 73923840, 75566592, 79699140, 82270080, 83962880, 85012416, 88708608, 94458240, 98565120, 106265520, 109693440, 110885760, 113349888, 125944320, 127518624, 131632128, 141687360, 147847680, 151133184, 159398280, 164540160, 170024832, 177417216, 188916480, 212531040, 219386880, 221771520, 226699776, 251888640, 255037248, 283374720, 295695360, 318796560, 329080320, 340049664, 377832960, 425062080, 443543040, 453399552, 510074496, 566749440, 637593120, 658160640, 680099328, 755665920, 850124160, 887086080, 1020148992, 1133498880, 1275186240, 1360198656, 1700248320, 2040297984, 2266997760, 2550372480, 3400496640, 4080595968, 5100744960, 6800993280, 10201489920, 20402979840]

約数ペア:

[(1, 20402979840), (2, 10201489920), (3, 6800993280), (4, 5100744960), (5, 4080595968), (6, 3400496640), (8, 2550372480), (9, 2266997760), (10, 2040297984), (12, 1700248320), (15, 1360198656), (16, 1275186240), (18, 1133498880), (20, 1020148992), (23, 887086080), (24, 850124160), (27, 755665920), (30, 680099328), (31, 658160640), (32, 637593120), (36, 566749440), (40, 510074496), (45, 453399552), (46, 443543040), (48, 425062080), (54, 377832960), (60, 340049664), (62, 329080320), (64, 318796560), (69, 295695360), (72, 283374720), (80, 255037248), (81, 251888640), (90, 226699776), (92, 221771520), (93, 219386880), (96, 212531040), (108, 188916480), (115, 177417216), (120, 170024832), (124, 164540160), (128, 159398280), (135, 151133184), (138, 147847680), (144, 141687360), (155, 131632128), (160, 127518624), (162, 125944320), (180, 113349888), (184, 110885760), (186, 109693440), (192, 106265520), (207, 98565120), (216, 94458240), (230, 88708608), (240, 85012416), (243, 83962880), (248, 82270080), (256, 79699140), (270, 75566592), (276, 73923840), (279, 73128960), (288, 70843680), (310, 65816064), (320, 63759312), (324, 62972160), (345, 59139072), (360, 56674944), (368, 55442880), (372, 54846720), (384, 53132760), (405, 50377728), (414, 49282560), (432, 47229120), (460, 44354304), (465, 43877376), (480, 42506208), (486, 41981440), (496, 41135040), (512, 39849570), (529, 38568960), (540, 37783296), (552, 36961920), (558, 36564480), (576, 35421840), (620, 32908032), (621, 32855040), (640, 31879656), (648, 31486080), (690, 29569536), (713, 28615680), (720, 28337472), (736, 27721440), (744, 27423360), (768, 26566380), (810, 25188864), (828, 24641280), (837, 24376320), (864, 23614560), (920, 22177152), (930, 21938688), (960, 21253104), (972, 20990720), (992, 20567520), (1024, 19924785), (1035, 19713024), (1058, 19284480), (1080, 18891648), (1104, 18480960), (1116, 18282240), (1152, 17710920), (1215, 16792576), (1240, 16454016), (1242, 16427520), (1280, 15939828), (1296, 15743040), (1380, 14784768), (1395, 14625792), (1426, 14307840), (1440, 14168736), (1472, 13860720), (1488, 13711680), (1536, 13283190), (1587, 12856320), (1620, 12594432), (1656, 12320640), (1674, 12188160), (1728, 11807280), (1840, 11088576), (1860, 10969344), (1863, 10951680), (1920, 10626552), (1944, 10495360), (1984, 10283760), (2070, 9856512), (2116, 9642240), (2139, 9538560), (2160, 9445824), (2208, 9240480), (2232, 9141120), (2304, 8855460), (2430, 8396288), (2480, 8227008), (2484, 8213760), (2511, 8125440), (2560, 7969914), (2592, 7871520), (2645, 7713792), (2760, 7392384), (2790, 7312896), (2852, 7153920), (2880, 7084368), (2944, 6930360), (2976, 6855840), (3072, 6641595), (3105, 6571008), (3174, 6428160), (3240, 6297216), (3312, 6160320), (3348, 6094080), (3456, 5903640), (3565, 5723136), (3680, 5544288), (3720, 5484672), (3726, 5475840), (3840, 5313276), (3888, 5247680), (3968, 5141880), (4140, 4928256), (4185, 4875264), (4232, 4821120), (4278, 4769280), (4320, 4722912), (4416, 4620240), (4464, 4570560), (4608, 4427730), (4761, 4285440), (4860, 4198144), (4960, 4113504), (4968, 4106880), (5022, 4062720), (5120, 3984957), (5184, 3935760), (5290, 3856896), (5520, 3696192), (5580, 3656448), (5589, 3650560), (5704, 3576960), (5760, 3542184), (5888, 3465180), (5952, 3427920), (6210, 3285504), (6348, 3214080), (6417, 3179520), (6480, 3148608), (6624, 3080160), (6696, 3047040), (6912, 2951820), (7130, 2861568), (7360, 2772144), (7440, 2742336), (7452, 2737920), (7533, 2708480), (7680, 2656638), (7776, 2623840), (7935, 2571264), (7936, 2570940), (8280, 2464128), (8370, 2437632), (8464, 2410560), (8556, 2384640), (8640, 2361456), (8832, 2310120), (8928, 2285280), (9216, 2213865), (9315, 2190336), (9522, 2142720), (9720, 2099072), (9920, 2056752), (9936, 2053440), (10044, 2031360), (10368, 1967880), (10580, 1928448), (10695, 1907712), (11040, 1848096), (11160, 1828224), (11178, 1825280), (11408, 1788480), (11520, 1771092), (11776, 1732590), (11904, 1713960), (12420, 1642752), (12555, 1625088), (12696, 1607040), (12834, 1589760), (12960, 1574304), (13248, 1540080), (13392, 1523520), (13824, 1475910), (14260, 1430784), (14283, 1428480), (14720, 1386072), (14880, 1371168), (14904, 1368960), (15066, 1354240), (15360, 1328319), (15552, 1311920), (15870, 1285632), (15872, 1285470), (16399, 1244160), (16560, 1232064), (16740, 1218816), (16928, 1205280), (17112, 1192320), (17280, 1180728), (17664, 1155060), (17856, 1142640), (18630, 1095168), (19044, 1071360), (19251, 1059840), (19440, 1049536), (19840, 1028376), (19872, 1026720), (20088, 1015680), (20736, 983940), (21160, 964224), (21390, 953856), (22080, 924048), (22320, 914112), (22356, 912640), (22816, 894240), (23040, 885546), (23552, 866295), (23805, 857088), (23808, 856980), (24840, 821376), (25110, 812544), (25392, 803520), (25668, 794880), (25920, 787152), (26496, 770040), (26784, 761760), (27648, 737955), (27945, 730112), (28520, 715392), (28566, 714240), (29440, 693036), (29760, 685584), (29808, 684480), (30132, 677120), (31104, 655960), (31740, 642816), (31744, 642735), (32085, 635904), (32798, 622080), (33120, 616032), (33480, 609408), (33856, 602640), (34224, 596160), (34560, 590364), (35328, 577530), (35712, 571320), (37260, 547584), (37665, 541696), (38088, 535680), (38502, 529920), (38880, 524768), (39680, 514188), (39744, 513360), (40176, 507840), (41472, 491970), (42320, 482112), (42780, 476928), (42849, 476160), (44160, 462024), (44640, 457056), (44712, 456320), (45632, 447120), (46080, 442773), (47610, 428544), (47616, 428490), (49197, 414720), (49680, 410688), (50220, 406272), (50784, 401760), (51336, 397440), (51840, 393576), (52992, 385020), (53568, 380880), (55890, 365056), (57040, 357696), (57132, 357120), (57753, 353280), (58880, 346518), (59520, 342792), (59616, 342240), (60264, 338560), (62208, 327980), (63480, 321408), (64170, 317952), (65596, 311040), (66240, 308016), (66960, 304704), (67712, 301320), (68448, 298080), (69120, 295182), (70656, 288765), (71415, 285696), (71424, 285660), (74520, 273792), (75330, 270848), (76176, 267840), (77004, 264960), (77760, 262384), (79360, 257094), (79488, 256680), (80352, 253920), (81995, 248832), (82944, 245985), (84640, 241056), (85560, 238464), (85698, 238080), (88320, 231012), (89280, 228528), (89424, 228160), (91264, 223560), (95220, 214272), (95232, 214245), (96255, 211968), (98394, 207360), (99360, 205344), (100440, 203136), (101568, 200880), (102672, 198720), (103680, 196788), (105984, 192510), (107136, 190440), (111780, 182528), (114080, 178848), (114264, 178560), (115506, 176640), (117760, 173259), (119040, 171396), (119232, 171120), (120528, 169280), (124416, 163990), (126960, 160704), (128340, 158976), (128547, 158720), (131192, 155520), (132480, 154008), (133920, 152352), (135424, 150660), (136896, 149040), (138240, 147591), (142830, 142848)]