20428970240

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 576

約数和(自身を含む): 62791680000

約数和(自身を除く): 42362709760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 49, 56, 62, 64, 70, 76, 79, 80, 95, 98, 112, 124, 128, 133, 140, 152, 155, 158, 160, 190, 196, 217, 224, 245, 248, 256, 266, 280, 304, 310, 316, 320, 343, 380, 392, 395, 434, 448, 490, 496, 532, 553, 560, 589, 608, 620, 632, 640, 665, 686, 760, 784, 790, 868, 896, 931, 980, 992, 1064, 1085, 1106, 1120, 1178, 1216, 1240, 1264, 1280, 1330, 1372, 1501, 1519, 1520, 1568, 1580, 1715, 1736, 1792, 1862, 1960, 1984, 2128, 2170, 2212, 2240, 2356, 2432, 2449, 2480, 2528, 2660, 2744, 2765, 2945, 3002, 3038, 3040, 3136, 3160, 3430, 3472, 3724, 3871, 3920, 3968, 4123, 4256, 4340, 4424, 4480, 4655, 4712, 4864, 4898, 4960, 5056, 5320, 5488, 5530, 5890, 6004, 6076, 6080, 6272, 6320, 6517, 6860, 6944, 7448, 7505, 7595, 7742, 7840, 7936, 8246, 8512, 8680, 8848, 8960, 9310, 9424, 9796, 9920, 10112, 10507, 10633, 10640, 10976, 11060, 11780, 12008, 12152, 12160, 12245, 12544, 12640, 13034, 13720, 13888, 14896, 15010, 15190, 15484, 15680, 16492, 17024, 17143, 17360, 17696, 18620, 18848, 19355, 19592, 19840, 20224, 20615, 21014, 21266, 21280, 21952, 22120, 23560, 24016, 24304, 24320, 24490, 25280, 26068, 27097, 27440, 27776, 28861, 29792, 30020, 30380, 30968, 31360, 32585, 32984, 34048, 34286, 34720, 35392, 37240, 37696, 38710, 39184, 39680, 41230, 42028, 42532, 42560, 43904, 44240, 46531, 47120, 48032, 48608, 48980, 50560, 52136, 52535, 53165, 54194, 54880, 55552, 57722, 59584, 60040, 60760, 61936, 62720, 65170, 65968, 68572, 69440, 70784, 73549, 74480, 75392, 77420, 78368, 82460, 84056, 85064, 85120, 85715, 87808, 88480, 93062, 94240, 96064, 97216, 97960, 101120, 104272, 105070, 106330, 108388, 109760, 115444, 119168, 120001, 120080, 121520, 123872, 130340, 131936, 135485, 137144, 138880, 141568, 144305, 147098, 148960, 150784, 154840, 156736, 164920, 168112, 170128, 170240, 171430, 176960, 186124, 188480, 192128, 194432, 195920, 202027, 208544, 210140, 212660, 216776, 219520, 230888, 232655, 238336, 240002, 240160, 243040, 247744, 260680, 263872, 270970, 274288, 277760, 288610, 294196, 297920, 309680, 313472, 325717, 329840, 336224, 340256, 342860, 353920, 367745, 372248, 376960, 384256, 388864, 391840, 404054, 417088, 420280, 425320, 433552, 439040, 461776, 465310, 480004, 480320, 486080, 495488, 514843, 521360, 527744, 541940, 548576, 577220, 588392, 595840, 600005, 619360, 626944, 651434, 659680, 672448, 680512, 685720, 707840, 735490, 744496, 753920, 783680, 808108, 834176, 840007, 840560, 850640, 867104, 923552, 930620, 960008, 960640, 972160, 990976, 1010135, 1029686, 1042720, 1055488, 1083880, 1097152, 1154440, 1176784, 1191680, 1200010, 1238720, 1302868, 1319360, 1344896, 1361024, 1371440, 1470980, 1488992, 1567360, 1616216, 1628585, 1668352, 1680014, 1681120, 1701280, 1734208, 1847104, 1861240, 1920016, 1921280, 1944320, 2020270, 2059372, 2085440, 2167760, 2194304, 2280019, 2308880, 2353568, 2400020, 2477440, 2574215, 2605736, 2638720, 2689792, 2722048, 2742880, 2941960, 2977984, 3134720, 3232432, 3257170, 3360028, 3362240, 3402560, 3468416, 3694208, 3722480, 3840032, 4040540, 4118744, 4170880, 4200035, 4335520, 4388608, 4560038, 4617760, 4707136, 4800040, 4954880, 5148430, 5211472, 5277440, 5485760, 5883920, 5955968, 6464864, 6514340, 6720056, 6724480, 6805120, 6936832, 7388416, 7444960, 7680064, 8081080, 8237488, 8341760, 8400070, 8671040, 9120076, 9235520, 9414272, 9600080, 10296860, 10422944, 10971520, 11400095, 11767840, 11911936, 12929728, 13028680, 13440112, 13448960, 13610240, 14889920, 15360128, 15960133, 16162160, 16474976, 16800140, 17342080, 18240152, 18471040, 18828544, 19200160, 20593720, 20845888, 21943040, 22800190, 23535680, 25859456, 26057360, 26880224, 29779840, 30720256, 31920266, 32324320, 32949952, 33600280, 34684160, 36480304, 36942080, 38400320, 41187440, 41691776, 45600380, 47071360, 51718912, 52114720, 53760448, 59559680, 63840532, 64648640, 65899904, 67200560, 72960608, 76800640, 79800665, 82374880, 83383552, 91200760, 94142720, 104229440, 107520896, 127681064, 129297280, 131799808, 134401120, 145921216, 153601280, 159601330, 164749760, 182401520, 208458880, 215041792, 255362128, 258594560, 268802240, 291842432, 319202660, 329499520, 364803040, 416917760, 510724256, 537604480, 583684864, 638405320, 658999040, 729606080, 1021448512, 1075208960, 1276810640, 1459212160, 2042897024, 2553621280, 2918424320, 4085794048, 5107242560, 10214485120, 20428970240]

約数ペア:

[(1, 20428970240), (2, 10214485120), (4, 5107242560), (5, 4085794048), (7, 2918424320), (8, 2553621280), (10, 2042897024), (14, 1459212160), (16, 1276810640), (19, 1075208960), (20, 1021448512), (28, 729606080), (31, 658999040), (32, 638405320), (35, 583684864), (38, 537604480), (40, 510724256), (49, 416917760), (56, 364803040), (62, 329499520), (64, 319202660), (70, 291842432), (76, 268802240), (79, 258594560), (80, 255362128), (95, 215041792), (98, 208458880), (112, 182401520), (124, 164749760), (128, 159601330), (133, 153601280), (140, 145921216), (152, 134401120), (155, 131799808), (158, 129297280), (160, 127681064), (190, 107520896), (196, 104229440), (217, 94142720), (224, 91200760), (245, 83383552), (248, 82374880), (256, 79800665), (266, 76800640), (280, 72960608), (304, 67200560), (310, 65899904), (316, 64648640), (320, 63840532), (343, 59559680), (380, 53760448), (392, 52114720), (395, 51718912), (434, 47071360), (448, 45600380), (490, 41691776), (496, 41187440), (532, 38400320), (553, 36942080), (560, 36480304), (589, 34684160), (608, 33600280), (620, 32949952), (632, 32324320), (640, 31920266), (665, 30720256), (686, 29779840), (760, 26880224), (784, 26057360), (790, 25859456), (868, 23535680), (896, 22800190), (931, 21943040), (980, 20845888), (992, 20593720), (1064, 19200160), (1085, 18828544), (1106, 18471040), (1120, 18240152), (1178, 17342080), (1216, 16800140), (1240, 16474976), (1264, 16162160), (1280, 15960133), (1330, 15360128), (1372, 14889920), (1501, 13610240), (1519, 13448960), (1520, 13440112), (1568, 13028680), (1580, 12929728), (1715, 11911936), (1736, 11767840), (1792, 11400095), (1862, 10971520), (1960, 10422944), (1984, 10296860), (2128, 9600080), (2170, 9414272), (2212, 9235520), (2240, 9120076), (2356, 8671040), (2432, 8400070), (2449, 8341760), (2480, 8237488), (2528, 8081080), (2660, 7680064), (2744, 7444960), (2765, 7388416), (2945, 6936832), (3002, 6805120), (3038, 6724480), (3040, 6720056), (3136, 6514340), (3160, 6464864), (3430, 5955968), (3472, 5883920), (3724, 5485760), (3871, 5277440), (3920, 5211472), (3968, 5148430), (4123, 4954880), (4256, 4800040), (4340, 4707136), (4424, 4617760), (4480, 4560038), (4655, 4388608), (4712, 4335520), (4864, 4200035), (4898, 4170880), (4960, 4118744), (5056, 4040540), (5320, 3840032), (5488, 3722480), (5530, 3694208), (5890, 3468416), (6004, 3402560), (6076, 3362240), (6080, 3360028), (6272, 3257170), (6320, 3232432), (6517, 3134720), (6860, 2977984), (6944, 2941960), (7448, 2742880), (7505, 2722048), (7595, 2689792), (7742, 2638720), (7840, 2605736), (7936, 2574215), (8246, 2477440), (8512, 2400020), (8680, 2353568), (8848, 2308880), (8960, 2280019), (9310, 2194304), (9424, 2167760), (9796, 2085440), (9920, 2059372), (10112, 2020270), (10507, 1944320), (10633, 1921280), (10640, 1920016), (10976, 1861240), (11060, 1847104), (11780, 1734208), (12008, 1701280), (12152, 1681120), (12160, 1680014), (12245, 1668352), (12544, 1628585), (12640, 1616216), (13034, 1567360), (13720, 1488992), (13888, 1470980), (14896, 1371440), (15010, 1361024), (15190, 1344896), (15484, 1319360), (15680, 1302868), (16492, 1238720), (17024, 1200010), (17143, 1191680), (17360, 1176784), (17696, 1154440), (18620, 1097152), (18848, 1083880), (19355, 1055488), (19592, 1042720), (19840, 1029686), (20224, 1010135), (20615, 990976), (21014, 972160), (21266, 960640), (21280, 960008), (21952, 930620), (22120, 923552), (23560, 867104), (24016, 850640), (24304, 840560), (24320, 840007), (24490, 834176), (25280, 808108), (26068, 783680), (27097, 753920), (27440, 744496), (27776, 735490), (28861, 707840), (29792, 685720), (30020, 680512), (30380, 672448), (30968, 659680), (31360, 651434), (32585, 626944), (32984, 619360), (34048, 600005), (34286, 595840), (34720, 588392), (35392, 577220), (37240, 548576), (37696, 541940), (38710, 527744), (39184, 521360), (39680, 514843), (41230, 495488), (42028, 486080), (42532, 480320), (42560, 480004), (43904, 465310), (44240, 461776), (46531, 439040), (47120, 433552), (48032, 425320), (48608, 420280), (48980, 417088), (50560, 404054), (52136, 391840), (52535, 388864), (53165, 384256), (54194, 376960), (54880, 372248), (55552, 367745), (57722, 353920), (59584, 342860), (60040, 340256), (60760, 336224), (61936, 329840), (62720, 325717), (65170, 313472), (65968, 309680), (68572, 297920), (69440, 294196), (70784, 288610), (73549, 277760), (74480, 274288), (75392, 270970), (77420, 263872), (78368, 260680), (82460, 247744), (84056, 243040), (85064, 240160), (85120, 240002), (85715, 238336), (87808, 232655), (88480, 230888), (93062, 219520), (94240, 216776), (96064, 212660), (97216, 210140), (97960, 208544), (101120, 202027), (104272, 195920), (105070, 194432), (106330, 192128), (108388, 188480), (109760, 186124), (115444, 176960), (119168, 171430), (120001, 170240), (120080, 170128), (121520, 168112), (123872, 164920), (130340, 156736), (131936, 154840), (135485, 150784), (137144, 148960), (138880, 147098), (141568, 144305)]