19915703280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1338

約数の個数: 400

約数和(自身を含む): 75810290688

約数和(自身を除く): 55894587408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 271, 297, 324, 330, 360, 396, 405, 432, 440, 495, 528, 540, 542, 594, 648, 660, 720, 792, 810, 813, 880, 891, 990, 1031, 1080, 1084, 1188, 1296, 1320, 1355, 1485, 1584, 1620, 1626, 1782, 1980, 2062, 2160, 2168, 2376, 2439, 2640, 2710, 2970, 2981, 3093, 3240, 3252, 3564, 3960, 4065, 4124, 4336, 4455, 4752, 4878, 5155, 5420, 5940, 5962, 6186, 6480, 6504, 7128, 7317, 7920, 8130, 8248, 8910, 8943, 9279, 9756, 10310, 10840, 11341, 11880, 11924, 12195, 12372, 13008, 14256, 14634, 14905, 15465, 16260, 16496, 17820, 17886, 18558, 19512, 20620, 21680, 21951, 22682, 23760, 23848, 24390, 24744, 26829, 27837, 29268, 29810, 30930, 32520, 34023, 35640, 35772, 36585, 37116, 39024, 41240, 43902, 44715, 45364, 46395, 47696, 48780, 49488, 53658, 55674, 56705, 58536, 59620, 61860, 65040, 68046, 71280, 71544, 73170, 74232, 80487, 82480, 83511, 87804, 89430, 90728, 92790, 97560, 102069, 107316, 109755, 111348, 113410, 117072, 119240, 123720, 134145, 136092, 139185, 143088, 146340, 148464, 160974, 167022, 170115, 175608, 178860, 181456, 185580, 195120, 204138, 214632, 219510, 222696, 226820, 238480, 241461, 247440, 268290, 272184, 278370, 279401, 292680, 306207, 321948, 334044, 340230, 351216, 357720, 371160, 402435, 408276, 417555, 429264, 439020, 445392, 453640, 482922, 510345, 536580, 544368, 556740, 558802, 585360, 612414, 643896, 668088, 680460, 715440, 742320, 804870, 816552, 835110, 838203, 878040, 907280, 918621, 965844, 1020690, 1073160, 1113480, 1117604, 1207305, 1224828, 1287792, 1336176, 1360920, 1397005, 1531035, 1609740, 1633104, 1670220, 1676406, 1756080, 1837242, 1931688, 2041380, 2146320, 2226960, 2235208, 2414610, 2449656, 2514609, 2721840, 2794010, 3062070, 3073411, 3219480, 3340440, 3352812, 3674484, 3863376, 4082760, 4191015, 4470416, 4593105, 4829220, 4899312, 5029218, 5588020, 6124140, 6146822, 6438960, 6680880, 6705624, 7348968, 7543827, 8165520, 8382030, 9186210, 9220233, 9658440, 10058436, 11176040, 12248280, 12293644, 12573045, 13411248, 14697936, 15087654, 15367055, 16764060, 18372420, 18440466, 19316880, 20116872, 22352080, 22631481, 24496560, 24587288, 25146090, 27660699, 30175308, 30734110, 33528120, 36744840, 36880932, 37719135, 40233744, 45262962, 46101165, 49174576, 50292180, 55321398, 60350616, 61468220, 67056240, 73489680, 73761864, 75438270, 82982097, 90525924, 92202330, 100584360, 110642796, 113157405, 120701232, 122936440, 138303495, 147523728, 150876540, 165964194, 181051848, 184404660, 201168720, 221285592, 226314810, 245872880, 248946291, 276606990, 301753080, 331928388, 362103696, 368809320, 414910485, 442571184, 452629620, 497892582, 553213980, 603506160, 663856776, 737618640, 829820970, 905259240, 995785164, 1106427960, 1244731455, 1327713552, 1659641940, 1810518480, 1991570328, 2212855920, 2489462910, 3319283880, 3983140656, 4978925820, 6638567760, 9957851640, 19915703280]

約数ペア:

[(1, 19915703280), (2, 9957851640), (3, 6638567760), (4, 4978925820), (5, 3983140656), (6, 3319283880), (8, 2489462910), (9, 2212855920), (10, 1991570328), (11, 1810518480), (12, 1659641940), (15, 1327713552), (16, 1244731455), (18, 1106427960), (20, 995785164), (22, 905259240), (24, 829820970), (27, 737618640), (30, 663856776), (33, 603506160), (36, 553213980), (40, 497892582), (44, 452629620), (45, 442571184), (48, 414910485), (54, 368809320), (55, 362103696), (60, 331928388), (66, 301753080), (72, 276606990), (80, 248946291), (81, 245872880), (88, 226314810), (90, 221285592), (99, 201168720), (108, 184404660), (110, 181051848), (120, 165964194), (132, 150876540), (135, 147523728), (144, 138303495), (162, 122936440), (165, 120701232), (176, 113157405), (180, 110642796), (198, 100584360), (216, 92202330), (220, 90525924), (240, 82982097), (264, 75438270), (270, 73761864), (271, 73489680), (297, 67056240), (324, 61468220), (330, 60350616), (360, 55321398), (396, 50292180), (405, 49174576), (432, 46101165), (440, 45262962), (495, 40233744), (528, 37719135), (540, 36880932), (542, 36744840), (594, 33528120), (648, 30734110), (660, 30175308), (720, 27660699), (792, 25146090), (810, 24587288), (813, 24496560), (880, 22631481), (891, 22352080), (990, 20116872), (1031, 19316880), (1080, 18440466), (1084, 18372420), (1188, 16764060), (1296, 15367055), (1320, 15087654), (1355, 14697936), (1485, 13411248), (1584, 12573045), (1620, 12293644), (1626, 12248280), (1782, 11176040), (1980, 10058436), (2062, 9658440), (2160, 9220233), (2168, 9186210), (2376, 8382030), (2439, 8165520), (2640, 7543827), (2710, 7348968), (2970, 6705624), (2981, 6680880), (3093, 6438960), (3240, 6146822), (3252, 6124140), (3564, 5588020), (3960, 5029218), (4065, 4899312), (4124, 4829220), (4336, 4593105), (4455, 4470416), (4752, 4191015), (4878, 4082760), (5155, 3863376), (5420, 3674484), (5940, 3352812), (5962, 3340440), (6186, 3219480), (6480, 3073411), (6504, 3062070), (7128, 2794010), (7317, 2721840), (7920, 2514609), (8130, 2449656), (8248, 2414610), (8910, 2235208), (8943, 2226960), (9279, 2146320), (9756, 2041380), (10310, 1931688), (10840, 1837242), (11341, 1756080), (11880, 1676406), (11924, 1670220), (12195, 1633104), (12372, 1609740), (13008, 1531035), (14256, 1397005), (14634, 1360920), (14905, 1336176), (15465, 1287792), (16260, 1224828), (16496, 1207305), (17820, 1117604), (17886, 1113480), (18558, 1073160), (19512, 1020690), (20620, 965844), (21680, 918621), (21951, 907280), (22682, 878040), (23760, 838203), (23848, 835110), (24390, 816552), (24744, 804870), (26829, 742320), (27837, 715440), (29268, 680460), (29810, 668088), (30930, 643896), (32520, 612414), (34023, 585360), (35640, 558802), (35772, 556740), (36585, 544368), (37116, 536580), (39024, 510345), (41240, 482922), (43902, 453640), (44715, 445392), (45364, 439020), (46395, 429264), (47696, 417555), (48780, 408276), (49488, 402435), (53658, 371160), (55674, 357720), (56705, 351216), (58536, 340230), (59620, 334044), (61860, 321948), (65040, 306207), (68046, 292680), (71280, 279401), (71544, 278370), (73170, 272184), (74232, 268290), (80487, 247440), (82480, 241461), (83511, 238480), (87804, 226820), (89430, 222696), (90728, 219510), (92790, 214632), (97560, 204138), (102069, 195120), (107316, 185580), (109755, 181456), (111348, 178860), (113410, 175608), (117072, 170115), (119240, 167022), (123720, 160974), (134145, 148464), (136092, 146340), (139185, 143088)]