20731679280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 720

約数和(自身を含む): 80871073920

約数和(自身を除く): 60139394640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 53, 60, 65, 69, 72, 78, 79, 80, 90, 92, 104, 106, 115, 117, 120, 130, 138, 144, 156, 158, 159, 180, 184, 195, 207, 208, 212, 230, 234, 237, 240, 260, 265, 276, 299, 312, 316, 318, 345, 360, 368, 390, 395, 414, 424, 460, 468, 474, 477, 520, 529, 530, 552, 585, 598, 624, 632, 636, 689, 690, 711, 720, 780, 790, 795, 828, 848, 897, 920, 936, 948, 954, 1027, 1035, 1040, 1058, 1060, 1104, 1170, 1185, 1196, 1219, 1264, 1272, 1378, 1380, 1422, 1495, 1560, 1580, 1587, 1590, 1656, 1794, 1817, 1840, 1872, 1896, 1908, 2054, 2067, 2070, 2116, 2120, 2340, 2370, 2385, 2392, 2438, 2544, 2645, 2691, 2756, 2760, 2844, 2990, 3081, 3120, 3160, 3174, 3180, 3312, 3445, 3555, 3588, 3634, 3657, 3792, 3816, 4108, 4134, 4140, 4187, 4232, 4240, 4485, 4680, 4740, 4761, 4770, 4784, 4876, 5135, 5290, 5382, 5451, 5512, 5520, 5688, 5980, 6095, 6162, 6201, 6320, 6348, 6360, 6877, 6890, 7110, 7176, 7268, 7314, 7632, 7935, 8216, 8268, 8280, 8374, 8464, 8970, 9085, 9243, 9360, 9480, 9522, 9540, 9752, 10270, 10335, 10580, 10764, 10902, 10971, 11024, 11376, 11960, 12190, 12324, 12402, 12561, 12696, 12720, 13455, 13754, 13780, 14220, 14352, 14536, 14628, 15405, 15847, 15870, 16353, 16432, 16536, 16560, 16748, 17940, 18170, 18285, 18486, 18960, 19044, 19080, 19504, 20540, 20631, 20670, 20935, 21160, 21528, 21804, 21942, 23621, 23805, 23920, 24380, 24648, 24804, 25122, 25392, 26910, 27255, 27508, 27560, 28037, 28440, 29072, 29256, 30810, 31005, 31694, 31740, 32706, 33072, 33496, 34385, 35880, 36340, 36570, 36972, 37683, 38088, 38160, 41080, 41262, 41340, 41791, 41870, 42320, 43056, 43608, 43884, 46215, 47242, 47541, 47610, 48760, 49296, 49608, 50244, 53820, 54431, 54510, 54855, 55016, 55120, 56074, 56880, 58512, 61620, 61893, 62010, 62805, 63388, 63480, 65412, 66992, 68770, 70863, 71760, 72680, 73140, 73944, 75366, 76176, 79235, 81765, 82160, 82524, 82680, 83582, 83740, 84111, 87216, 87768, 92430, 94484, 95082, 95220, 96301, 97520, 99216, 100488, 103155, 107640, 108862, 109020, 109710, 110032, 112148, 118105, 123240, 123786, 124020, 125373, 125610, 126776, 126960, 130824, 137540, 140185, 141726, 142623, 145360, 146280, 147888, 150732, 158470, 163293, 163530, 165048, 165360, 167164, 167480, 168222, 175536, 184860, 188415, 188968, 190164, 190440, 192602, 200976, 206310, 208955, 212589, 215280, 217724, 218040, 219420, 224296, 236210, 237705, 246480, 247572, 248040, 250746, 251220, 252333, 253552, 261648, 272155, 275080, 280370, 283452, 285246, 288903, 292560, 301464, 309465, 316940, 326586, 327060, 330096, 334328, 334960, 336444, 354315, 364481, 369720, 376119, 376830, 377936, 380328, 380880, 385204, 412620, 417910, 420555, 425178, 435448, 436080, 438840, 448592, 472420, 475410, 481505, 489879, 495144, 496080, 501492, 502440, 504666, 543283, 544310, 550160, 560740, 566904, 570492, 577806, 602928, 618930, 626865, 633880, 653172, 654120, 668656, 672888, 708630, 713115, 728962, 739440, 752238, 753660, 760656, 770408, 816465, 825240, 835820, 841110, 850356, 866709, 870896, 877680, 944840, 950820, 963010, 979758, 990288, 1002984, 1004880, 1009332, 1062945, 1086566, 1088620, 1093443, 1121480, 1133808, 1140984, 1155612, 1237860, 1251913, 1253730, 1261665, 1267760, 1306344, 1308240, 1345776, 1417260, 1426230, 1444515, 1457924, 1504476, 1507320, 1540816, 1629849, 1632930, 1650480, 1671640, 1682220, 1700712, 1733418, 1822405, 1880595, 1889680, 1901640, 1926020, 1959516, 2005968, 2018664, 2125890, 2173132, 2177240, 2186886, 2214923, 2242960, 2281968, 2311224, 2449395, 2475720, 2503826, 2507460, 2523330, 2612688, 2716415, 2834520, 2852460, 2889030, 2915848, 3008952, 3014640, 3259698, 3265860, 3280329, 3343280, 3364440, 3401424, 3466836, 3644810, 3755739, 3761190, 3803280, 3852040, 3919032, 4037328, 4251780, 4333545, 4346264, 4354480, 4373772, 4429846, 4622448, 4889547, 4898790, 4951440, 5007652, 5014920, 5046660, 5432830, 5467215, 5669040, 5704920, 5778060, 5831696, 6017904, 6259565, 6519396, 6531720, 6560658, 6644769, 6728880, 6933672, 7289620, 7511478, 7522380, 7704080, 7838064, 8149245, 8503560, 8667090, 8692528, 8747544, 8859692, 9779094, 9797580, 10015304, 10029840, 10093320, 10865660, 10934430, 11074615, 11267217, 11409840, 11556120, 12519130, 13038792, 13063440, 13121316, 13289538, 13867344, 14579240, 15022956, 15044760, 16298490, 16401645, 17007120, 17334180, 17495088, 17719384, 18778695, 19558188, 19595160, 19934307, 20030608, 20186640, 21731320, 21868860, 22149230, 22534434, 23112240, 24447735, 25038260, 26077584, 26242632, 26579076, 28793999, 29158480, 30045912, 30089520, 32596980, 32803290, 33223845, 34668360, 35438768, 37557390, 39116376, 39190320, 39868614, 43462640, 43737720, 44298460, 45068868, 48895470, 50076520, 52485264, 53158152, 56336085, 57587998, 60091824, 65193960, 65606580, 66447690, 69336720, 75114780, 78232752, 79737228, 86381997, 87475440, 88596920, 90137736, 97790940, 99671535, 100153040, 106316304, 112672170, 115175996, 130387920, 131213160, 132895380, 143969995, 150229560, 159474456, 172763994, 177193840, 180275472, 195581880, 199343070, 225344340, 230351992, 259145991, 262426320, 265790760, 287939990, 300459120, 318948912, 345527988, 391163760, 398686140, 431909985, 450688680, 460703984, 518291982, 531581520, 575879980, 691055976, 797372280, 863819970, 901377360, 1036583964, 1151759960, 1295729955, 1382111952, 1594744560, 1727639940, 2073167928, 2303519920, 2591459910, 3455279880, 4146335856, 5182919820, 6910559760, 10365839640, 20731679280]

約数ペア:

[(1, 20731679280), (2, 10365839640), (3, 6910559760), (4, 5182919820), (5, 4146335856), (6, 3455279880), (8, 2591459910), (9, 2303519920), (10, 2073167928), (12, 1727639940), (13, 1594744560), (15, 1382111952), (16, 1295729955), (18, 1151759960), (20, 1036583964), (23, 901377360), (24, 863819970), (26, 797372280), (30, 691055976), (36, 575879980), (39, 531581520), (40, 518291982), (45, 460703984), (46, 450688680), (48, 431909985), (52, 398686140), (53, 391163760), (60, 345527988), (65, 318948912), (69, 300459120), (72, 287939990), (78, 265790760), (79, 262426320), (80, 259145991), (90, 230351992), (92, 225344340), (104, 199343070), (106, 195581880), (115, 180275472), (117, 177193840), (120, 172763994), (130, 159474456), (138, 150229560), (144, 143969995), (156, 132895380), (158, 131213160), (159, 130387920), (180, 115175996), (184, 112672170), (195, 106316304), (207, 100153040), (208, 99671535), (212, 97790940), (230, 90137736), (234, 88596920), (237, 87475440), (240, 86381997), (260, 79737228), (265, 78232752), (276, 75114780), (299, 69336720), (312, 66447690), (316, 65606580), (318, 65193960), (345, 60091824), (360, 57587998), (368, 56336085), (390, 53158152), (395, 52485264), (414, 50076520), (424, 48895470), (460, 45068868), (468, 44298460), (474, 43737720), (477, 43462640), (520, 39868614), (529, 39190320), (530, 39116376), (552, 37557390), (585, 35438768), (598, 34668360), (624, 33223845), (632, 32803290), (636, 32596980), (689, 30089520), (690, 30045912), (711, 29158480), (720, 28793999), (780, 26579076), (790, 26242632), (795, 26077584), (828, 25038260), (848, 24447735), (897, 23112240), (920, 22534434), (936, 22149230), (948, 21868860), (954, 21731320), (1027, 20186640), (1035, 20030608), (1040, 19934307), (1058, 19595160), (1060, 19558188), (1104, 18778695), (1170, 17719384), (1185, 17495088), (1196, 17334180), (1219, 17007120), (1264, 16401645), (1272, 16298490), (1378, 15044760), (1380, 15022956), (1422, 14579240), (1495, 13867344), (1560, 13289538), (1580, 13121316), (1587, 13063440), (1590, 13038792), (1656, 12519130), (1794, 11556120), (1817, 11409840), (1840, 11267217), (1872, 11074615), (1896, 10934430), (1908, 10865660), (2054, 10093320), (2067, 10029840), (2070, 10015304), (2116, 9797580), (2120, 9779094), (2340, 8859692), (2370, 8747544), (2385, 8692528), (2392, 8667090), (2438, 8503560), (2544, 8149245), (2645, 7838064), (2691, 7704080), (2756, 7522380), (2760, 7511478), (2844, 7289620), (2990, 6933672), (3081, 6728880), (3120, 6644769), (3160, 6560658), (3174, 6531720), (3180, 6519396), (3312, 6259565), (3445, 6017904), (3555, 5831696), (3588, 5778060), (3634, 5704920), (3657, 5669040), (3792, 5467215), (3816, 5432830), (4108, 5046660), (4134, 5014920), (4140, 5007652), (4187, 4951440), (4232, 4898790), (4240, 4889547), (4485, 4622448), (4680, 4429846), (4740, 4373772), (4761, 4354480), (4770, 4346264), (4784, 4333545), (4876, 4251780), (5135, 4037328), (5290, 3919032), (5382, 3852040), (5451, 3803280), (5512, 3761190), (5520, 3755739), (5688, 3644810), (5980, 3466836), (6095, 3401424), (6162, 3364440), (6201, 3343280), (6320, 3280329), (6348, 3265860), (6360, 3259698), (6877, 3014640), (6890, 3008952), (7110, 2915848), (7176, 2889030), (7268, 2852460), (7314, 2834520), (7632, 2716415), (7935, 2612688), (8216, 2523330), (8268, 2507460), (8280, 2503826), (8374, 2475720), (8464, 2449395), (8970, 2311224), (9085, 2281968), (9243, 2242960), (9360, 2214923), (9480, 2186886), (9522, 2177240), (9540, 2173132), (9752, 2125890), (10270, 2018664), (10335, 2005968), (10580, 1959516), (10764, 1926020), (10902, 1901640), (10971, 1889680), (11024, 1880595), (11376, 1822405), (11960, 1733418), (12190, 1700712), (12324, 1682220), (12402, 1671640), (12561, 1650480), (12696, 1632930), (12720, 1629849), (13455, 1540816), (13754, 1507320), (13780, 1504476), (14220, 1457924), (14352, 1444515), (14536, 1426230), (14628, 1417260), (15405, 1345776), (15847, 1308240), (15870, 1306344), (16353, 1267760), (16432, 1261665), (16536, 1253730), (16560, 1251913), (16748, 1237860), (17940, 1155612), (18170, 1140984), (18285, 1133808), (18486, 1121480), (18960, 1093443), (19044, 1088620), (19080, 1086566), (19504, 1062945), (20540, 1009332), (20631, 1004880), (20670, 1002984), (20935, 990288), (21160, 979758), (21528, 963010), (21804, 950820), (21942, 944840), (23621, 877680), (23805, 870896), (23920, 866709), (24380, 850356), (24648, 841110), (24804, 835820), (25122, 825240), (25392, 816465), (26910, 770408), (27255, 760656), (27508, 753660), (27560, 752238), (28037, 739440), (28440, 728962), (29072, 713115), (29256, 708630), (30810, 672888), (31005, 668656), (31694, 654120), (31740, 653172), (32706, 633880), (33072, 626865), (33496, 618930), (34385, 602928), (35880, 577806), (36340, 570492), (36570, 566904), (36972, 560740), (37683, 550160), (38088, 544310), (38160, 543283), (41080, 504666), (41262, 502440), (41340, 501492), (41791, 496080), (41870, 495144), (42320, 489879), (43056, 481505), (43608, 475410), (43884, 472420), (46215, 448592), (47242, 438840), (47541, 436080), (47610, 435448), (48760, 425178), (49296, 420555), (49608, 417910), (50244, 412620), (53820, 385204), (54431, 380880), (54510, 380328), (54855, 377936), (55016, 376830), (55120, 376119), (56074, 369720), (56880, 364481), (58512, 354315), (61620, 336444), (61893, 334960), (62010, 334328), (62805, 330096), (63388, 327060), (63480, 326586), (65412, 316940), (66992, 309465), (68770, 301464), (70863, 292560), (71760, 288903), (72680, 285246), (73140, 283452), (73944, 280370), (75366, 275080), (76176, 272155), (79235, 261648), (81765, 253552), (82160, 252333), (82524, 251220), (82680, 250746), (83582, 248040), (83740, 247572), (84111, 246480), (87216, 237705), (87768, 236210), (92430, 224296), (94484, 219420), (95082, 218040), (95220, 217724), (96301, 215280), (97520, 212589), (99216, 208955), (100488, 206310), (103155, 200976), (107640, 192602), (108862, 190440), (109020, 190164), (109710, 188968), (110032, 188415), (112148, 184860), (118105, 175536), (123240, 168222), (123786, 167480), (124020, 167164), (125373, 165360), (125610, 165048), (126776, 163530), (126960, 163293), (130824, 158470), (137540, 150732), (140185, 147888), (141726, 146280), (142623, 145360)]