20289736320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52057}}^1$

素因数の和:52115

約数の個数: 256

約数和(自身を含む): 76462790400

約数和(自身を除く): 56173054080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 112, 116, 120, 128, 140, 145, 160, 168, 174, 192, 203, 210, 224, 232, 240, 280, 290, 320, 336, 348, 384, 406, 420, 435, 448, 464, 480, 560, 580, 609, 640, 672, 696, 812, 840, 870, 896, 928, 960, 1015, 1120, 1160, 1218, 1344, 1392, 1624, 1680, 1740, 1856, 1920, 2030, 2240, 2320, 2436, 2688, 2784, 3045, 3248, 3360, 3480, 3712, 4060, 4480, 4640, 4872, 5568, 6090, 6496, 6720, 6960, 8120, 9280, 9744, 11136, 12180, 12992, 13440, 13920, 16240, 18560, 19488, 24360, 25984, 27840, 32480, 38976, 48720, 52057, 55680, 64960, 77952, 97440, 104114, 129920, 156171, 194880, 208228, 260285, 312342, 364399, 389760, 416456, 520570, 624684, 728798, 780855, 832912, 1041140, 1093197, 1249368, 1457596, 1509653, 1561710, 1665824, 1821995, 2082280, 2186394, 2498736, 2915192, 3019306, 3123420, 3331648, 3643990, 4164560, 4372788, 4528959, 4997472, 5465985, 5830384, 6038612, 6246840, 6663296, 7287980, 7548265, 8329120, 8745576, 9057918, 9994944, 10567571, 10931970, 11660768, 12077224, 12493680, 14575960, 15096530, 16658240, 17491152, 18115836, 19989888, 21135142, 21863940, 22644795, 23321536, 24154448, 24987360, 29151920, 30193060, 31702713, 33316480, 34982304, 36231672, 42270284, 43727880, 45289590, 46643072, 48308896, 49974720, 52837855, 58303840, 60386120, 63405426, 69964608, 72463344, 84540568, 87455760, 90579180, 96617792, 99949440, 105675710, 116607680, 120772240, 126810852, 139929216, 144926688, 158513565, 169081136, 174911520, 181158360, 193235584, 211351420, 233215360, 241544480, 253621704, 289853376, 317027130, 338162272, 349823040, 362316720, 422702840, 483088960, 507243408, 579706752, 634054260, 676324544, 699646080, 724633440, 845405680, 966177920, 1014486816, 1268108520, 1352649088, 1449266880, 1690811360, 2028973632, 2536217040, 2898533760, 3381622720, 4057947264, 5072434080, 6763245440, 10144868160, 20289736320]

約数ペア:

[(1, 20289736320), (2, 10144868160), (3, 6763245440), (4, 5072434080), (5, 4057947264), (6, 3381622720), (7, 2898533760), (8, 2536217040), (10, 2028973632), (12, 1690811360), (14, 1449266880), (15, 1352649088), (16, 1268108520), (20, 1014486816), (21, 966177920), (24, 845405680), (28, 724633440), (29, 699646080), (30, 676324544), (32, 634054260), (35, 579706752), (40, 507243408), (42, 483088960), (48, 422702840), (56, 362316720), (58, 349823040), (60, 338162272), (64, 317027130), (70, 289853376), (80, 253621704), (84, 241544480), (87, 233215360), (96, 211351420), (105, 193235584), (112, 181158360), (116, 174911520), (120, 169081136), (128, 158513565), (140, 144926688), (145, 139929216), (160, 126810852), (168, 120772240), (174, 116607680), (192, 105675710), (203, 99949440), (210, 96617792), (224, 90579180), (232, 87455760), (240, 84540568), (280, 72463344), (290, 69964608), (320, 63405426), (336, 60386120), (348, 58303840), (384, 52837855), (406, 49974720), (420, 48308896), (435, 46643072), (448, 45289590), (464, 43727880), (480, 42270284), (560, 36231672), (580, 34982304), (609, 33316480), (640, 31702713), (672, 30193060), (696, 29151920), (812, 24987360), (840, 24154448), (870, 23321536), (896, 22644795), (928, 21863940), (960, 21135142), (1015, 19989888), (1120, 18115836), (1160, 17491152), (1218, 16658240), (1344, 15096530), (1392, 14575960), (1624, 12493680), (1680, 12077224), (1740, 11660768), (1856, 10931970), (1920, 10567571), (2030, 9994944), (2240, 9057918), (2320, 8745576), (2436, 8329120), (2688, 7548265), (2784, 7287980), (3045, 6663296), (3248, 6246840), (3360, 6038612), (3480, 5830384), (3712, 5465985), (4060, 4997472), (4480, 4528959), (4640, 4372788), (4872, 4164560), (5568, 3643990), (6090, 3331648), (6496, 3123420), (6720, 3019306), (6960, 2915192), (8120, 2498736), (9280, 2186394), (9744, 2082280), (11136, 1821995), (12180, 1665824), (12992, 1561710), (13440, 1509653), (13920, 1457596), (16240, 1249368), (18560, 1093197), (19488, 1041140), (24360, 832912), (25984, 780855), (27840, 728798), (32480, 624684), (38976, 520570), (48720, 416456), (52057, 389760), (55680, 364399), (64960, 312342), (77952, 260285), (97440, 208228), (104114, 194880), (129920, 156171)]