20980961280

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 416

約数和(自身を含む): 78554966400

約数和(自身を除く): 57574005120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 512, 513, 540, 570, 576, 608, 640, 684, 720, 760, 768, 855, 864, 912, 960, 1024, 1026, 1080, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1536, 1710, 1728, 1824, 1920, 1997, 2048, 2052, 2160, 2280, 2304, 2432, 2560, 2565, 2736, 2880, 3040, 3072, 3420, 3456, 3648, 3840, 3994, 4096, 4104, 4320, 4560, 4608, 4864, 5120, 5130, 5472, 5760, 5991, 6080, 6144, 6840, 6912, 7296, 7680, 7988, 8208, 8640, 9120, 9216, 9728, 9985, 10240, 10260, 10944, 11520, 11982, 12160, 12288, 13680, 13824, 14592, 15360, 15976, 16416, 17280, 17973, 18240, 18432, 19456, 19970, 20480, 20520, 21888, 23040, 23964, 24320, 27360, 27648, 29184, 29955, 30720, 31952, 32832, 34560, 35946, 36480, 36864, 37943, 38912, 39940, 41040, 43776, 46080, 47928, 48640, 53919, 54720, 55296, 58368, 59910, 61440, 63904, 65664, 69120, 71892, 72960, 75886, 77824, 79880, 82080, 87552, 89865, 92160, 95856, 97280, 107838, 109440, 110592, 113829, 116736, 119820, 127808, 131328, 138240, 143784, 145920, 151772, 159760, 164160, 175104, 179730, 184320, 189715, 191712, 194560, 215676, 218880, 227658, 233472, 239640, 255616, 262656, 269595, 276480, 287568, 291840, 303544, 319520, 328320, 341487, 350208, 359460, 379430, 383424, 389120, 431352, 437760, 455316, 479280, 511232, 525312, 539190, 552960, 569145, 575136, 583680, 607088, 639040, 656640, 682974, 700416, 718920, 758860, 766848, 862704, 875520, 910632, 958560, 1022464, 1024461, 1050624, 1078380, 1138290, 1150272, 1167360, 1214176, 1278080, 1313280, 1365948, 1437840, 1517720, 1533696, 1707435, 1725408, 1751040, 1821264, 1917120, 2044928, 2048922, 2101248, 2156760, 2276580, 2300544, 2428352, 2556160, 2626560, 2731896, 2875680, 3035440, 3067392, 3414870, 3450816, 3502080, 3642528, 3834240, 4089856, 4097844, 4313520, 4553160, 4601088, 4856704, 5112320, 5122305, 5253120, 5463792, 5751360, 6070880, 6134784, 6829740, 6901632, 7285056, 7668480, 8179712, 8195688, 8627040, 9106320, 9202176, 9713408, 10224640, 10244610, 10506240, 10927584, 11502720, 12141760, 12269568, 13659480, 13803264, 14570112, 15336960, 16391376, 17254080, 18212640, 18404352, 19426816, 20449280, 20489220, 21855168, 23005440, 24283520, 24539136, 27318960, 27606528, 29140224, 30673920, 32782752, 34508160, 36425280, 36808704, 38853632, 40898560, 40978440, 43710336, 46010880, 48567040, 54637920, 55213056, 58280448, 61347840, 65565504, 69016320, 72850560, 73617408, 77707264, 81956880, 87420672, 92021760, 97134080, 109275840, 110426112, 116560896, 122695680, 131131008, 138032640, 145701120, 155414528, 163913760, 174841344, 184043520, 194268160, 218551680, 220852224, 233121792, 262262016, 276065280, 291402240, 327827520, 349682688, 368087040, 388536320, 437103360, 466243584, 524524032, 552130560, 582804480, 655655040, 699365376, 777072640, 874206720, 1049048064, 1104261120, 1165608960, 1311310080, 1398730752, 1748413440, 2098096128, 2331217920, 2622620160, 3496826880, 4196192256, 5245240320, 6993653760, 10490480640, 20980961280]

約数ペア:

[(1, 20980961280), (2, 10490480640), (3, 6993653760), (4, 5245240320), (5, 4196192256), (6, 3496826880), (8, 2622620160), (9, 2331217920), (10, 2098096128), (12, 1748413440), (15, 1398730752), (16, 1311310080), (18, 1165608960), (19, 1104261120), (20, 1049048064), (24, 874206720), (27, 777072640), (30, 699365376), (32, 655655040), (36, 582804480), (38, 552130560), (40, 524524032), (45, 466243584), (48, 437103360), (54, 388536320), (57, 368087040), (60, 349682688), (64, 327827520), (72, 291402240), (76, 276065280), (80, 262262016), (90, 233121792), (95, 220852224), (96, 218551680), (108, 194268160), (114, 184043520), (120, 174841344), (128, 163913760), (135, 155414528), (144, 145701120), (152, 138032640), (160, 131131008), (171, 122695680), (180, 116560896), (190, 110426112), (192, 109275840), (216, 97134080), (228, 92021760), (240, 87420672), (256, 81956880), (270, 77707264), (285, 73617408), (288, 72850560), (304, 69016320), (320, 65565504), (342, 61347840), (360, 58280448), (380, 55213056), (384, 54637920), (432, 48567040), (456, 46010880), (480, 43710336), (512, 40978440), (513, 40898560), (540, 38853632), (570, 36808704), (576, 36425280), (608, 34508160), (640, 32782752), (684, 30673920), (720, 29140224), (760, 27606528), (768, 27318960), (855, 24539136), (864, 24283520), (912, 23005440), (960, 21855168), (1024, 20489220), (1026, 20449280), (1080, 19426816), (1140, 18404352), (1152, 18212640), (1216, 17254080), (1280, 16391376), (1368, 15336960), (1440, 14570112), (1520, 13803264), (1536, 13659480), (1710, 12269568), (1728, 12141760), (1824, 11502720), (1920, 10927584), (1997, 10506240), (2048, 10244610), (2052, 10224640), (2160, 9713408), (2280, 9202176), (2304, 9106320), (2432, 8627040), (2560, 8195688), (2565, 8179712), (2736, 7668480), (2880, 7285056), (3040, 6901632), (3072, 6829740), (3420, 6134784), (3456, 6070880), (3648, 5751360), (3840, 5463792), (3994, 5253120), (4096, 5122305), (4104, 5112320), (4320, 4856704), (4560, 4601088), (4608, 4553160), (4864, 4313520), (5120, 4097844), (5130, 4089856), (5472, 3834240), (5760, 3642528), (5991, 3502080), (6080, 3450816), (6144, 3414870), (6840, 3067392), (6912, 3035440), (7296, 2875680), (7680, 2731896), (7988, 2626560), (8208, 2556160), (8640, 2428352), (9120, 2300544), (9216, 2276580), (9728, 2156760), (9985, 2101248), (10240, 2048922), (10260, 2044928), (10944, 1917120), (11520, 1821264), (11982, 1751040), (12160, 1725408), (12288, 1707435), (13680, 1533696), (13824, 1517720), (14592, 1437840), (15360, 1365948), (15976, 1313280), (16416, 1278080), (17280, 1214176), (17973, 1167360), (18240, 1150272), (18432, 1138290), (19456, 1078380), (19970, 1050624), (20480, 1024461), (20520, 1022464), (21888, 958560), (23040, 910632), (23964, 875520), (24320, 862704), (27360, 766848), (27648, 758860), (29184, 718920), (29955, 700416), (30720, 682974), (31952, 656640), (32832, 639040), (34560, 607088), (35946, 583680), (36480, 575136), (36864, 569145), (37943, 552960), (38912, 539190), (39940, 525312), (41040, 511232), (43776, 479280), (46080, 455316), (47928, 437760), (48640, 431352), (53919, 389120), (54720, 383424), (55296, 379430), (58368, 359460), (59910, 350208), (61440, 341487), (63904, 328320), (65664, 319520), (69120, 303544), (71892, 291840), (72960, 287568), (75886, 276480), (77824, 269595), (79880, 262656), (82080, 255616), (87552, 239640), (89865, 233472), (92160, 227658), (95856, 218880), (97280, 215676), (107838, 194560), (109440, 191712), (110592, 189715), (113829, 184320), (116736, 179730), (119820, 175104), (127808, 164160), (131328, 159760), (138240, 151772), (143784, 145920)]