81861534720

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{253787}}^1$

素因数の和:253825

約数の個数: 264

約数和(自身を含む): 324170518464

約数和(自身を除く): 242308983744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5120, 5376, 5760, 6720, 7168, 7680, 8064, 8960, 9216, 10080, 10752, 11520, 13440, 15360, 16128, 17920, 20160, 21504, 23040, 26880, 32256, 35840, 40320, 46080, 53760, 64512, 80640, 107520, 161280, 253787, 322560, 507574, 761361, 1015148, 1268935, 1522722, 1776509, 2030296, 2284083, 2537870, 3045444, 3553018, 3806805, 4060592, 4568166, 5075740, 5329527, 6090888, 7106036, 7613610, 8121184, 8882545, 9136332, 10151480, 10659054, 11420415, 12181776, 14212072, 15227220, 15988581, 16242368, 17765090, 18272664, 20302960, 21318108, 22840830, 24363552, 26647635, 28424144, 30454440, 31977162, 32484736, 35530180, 36545328, 40605920, 42636216, 45681660, 48727104, 53295270, 56848288, 60908880, 63954324, 64969472, 71060360, 73090656, 79942905, 81211840, 85272432, 91363320, 97454208, 106590540, 113696576, 121817760, 127908648, 129938944, 142120720, 146181312, 159885810, 162423680, 170544864, 182726640, 194908416, 213181080, 227393152, 243635520, 255817296, 259877888, 284241440, 292362624, 319771620, 324847360, 341089728, 365453280, 389816832, 426362160, 454786304, 487271040, 511634592, 568482880, 584725248, 639543240, 649694720, 682179456, 730906560, 779633664, 852724320, 909572608, 974542080, 1023269184, 1136965760, 1169450496, 1279086480, 1299389440, 1364358912, 1461813120, 1705448640, 1819145216, 1949084160, 2046538368, 2273931520, 2338900992, 2558172960, 2728717824, 2923626240, 3410897280, 3898168320, 4093076736, 4547863040, 5116345920, 5457435648, 5847252480, 6821794560, 8186153472, 9095726080, 10232691840, 11694504960, 13643589120, 16372306944, 20465383680, 27287178240, 40930767360, 81861534720]

約数ペア:

[(1, 81861534720), (2, 40930767360), (3, 27287178240), (4, 20465383680), (5, 16372306944), (6, 13643589120), (7, 11694504960), (8, 10232691840), (9, 9095726080), (10, 8186153472), (12, 6821794560), (14, 5847252480), (15, 5457435648), (16, 5116345920), (18, 4547863040), (20, 4093076736), (21, 3898168320), (24, 3410897280), (28, 2923626240), (30, 2728717824), (32, 2558172960), (35, 2338900992), (36, 2273931520), (40, 2046538368), (42, 1949084160), (45, 1819145216), (48, 1705448640), (56, 1461813120), (60, 1364358912), (63, 1299389440), (64, 1279086480), (70, 1169450496), (72, 1136965760), (80, 1023269184), (84, 974542080), (90, 909572608), (96, 852724320), (105, 779633664), (112, 730906560), (120, 682179456), (126, 649694720), (128, 639543240), (140, 584725248), (144, 568482880), (160, 511634592), (168, 487271040), (180, 454786304), (192, 426362160), (210, 389816832), (224, 365453280), (240, 341089728), (252, 324847360), (256, 319771620), (280, 292362624), (288, 284241440), (315, 259877888), (320, 255817296), (336, 243635520), (360, 227393152), (384, 213181080), (420, 194908416), (448, 182726640), (480, 170544864), (504, 162423680), (512, 159885810), (560, 146181312), (576, 142120720), (630, 129938944), (640, 127908648), (672, 121817760), (720, 113696576), (768, 106590540), (840, 97454208), (896, 91363320), (960, 85272432), (1008, 81211840), (1024, 79942905), (1120, 73090656), (1152, 71060360), (1260, 64969472), (1280, 63954324), (1344, 60908880), (1440, 56848288), (1536, 53295270), (1680, 48727104), (1792, 45681660), (1920, 42636216), (2016, 40605920), (2240, 36545328), (2304, 35530180), (2520, 32484736), (2560, 31977162), (2688, 30454440), (2880, 28424144), (3072, 26647635), (3360, 24363552), (3584, 22840830), (3840, 21318108), (4032, 20302960), (4480, 18272664), (4608, 17765090), (5040, 16242368), (5120, 15988581), (5376, 15227220), (5760, 14212072), (6720, 12181776), (7168, 11420415), (7680, 10659054), (8064, 10151480), (8960, 9136332), (9216, 8882545), (10080, 8121184), (10752, 7613610), (11520, 7106036), (13440, 6090888), (15360, 5329527), (16128, 5075740), (17920, 4568166), (20160, 4060592), (21504, 3806805), (23040, 3553018), (26880, 3045444), (32256, 2537870), (35840, 2284083), (40320, 2030296), (46080, 1776509), (53760, 1522722), (64512, 1268935), (80640, 1015148), (107520, 761361), (161280, 507574), (253787, 322560)]