821291520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{15277}}^1$

素因数の和:15310

約数の個数: 160

約数和(自身を含む): 3000843648

約数和(自身を除く): 2179552128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7680, 8960, 10752, 13440, 15277, 17920, 26880, 30554, 45831, 53760, 61108, 76385, 91662, 106939, 122216, 152770, 183324, 213878, 229155, 244432, 305540, 320817, 366648, 427756, 458310, 488864, 534695, 611080, 641634, 733296, 855512, 916620, 977728, 1069390, 1222160, 1283268, 1466592, 1604085, 1711024, 1833240, 1955456, 2138780, 2444320, 2566536, 2933184, 3208170, 3422048, 3666480, 3910912, 4277560, 4888640, 5133072, 5866368, 6416340, 6844096, 7332960, 7821824, 8555120, 9777280, 10266144, 11732736, 12832680, 13688192, 14665920, 17110240, 19554560, 20532288, 23465472, 25665360, 27376384, 29331840, 34220480, 39109120, 41064576, 51330720, 54752768, 58663680, 68440960, 82129152, 102661440, 117327360, 136881920, 164258304, 205322880, 273763840, 410645760, 821291520]

約数ペア:

[(1, 821291520), (2, 410645760), (3, 273763840), (4, 205322880), (5, 164258304), (6, 136881920), (7, 117327360), (8, 102661440), (10, 82129152), (12, 68440960), (14, 58663680), (15, 54752768), (16, 51330720), (20, 41064576), (21, 39109120), (24, 34220480), (28, 29331840), (30, 27376384), (32, 25665360), (35, 23465472), (40, 20532288), (42, 19554560), (48, 17110240), (56, 14665920), (60, 13688192), (64, 12832680), (70, 11732736), (80, 10266144), (84, 9777280), (96, 8555120), (105, 7821824), (112, 7332960), (120, 6844096), (128, 6416340), (140, 5866368), (160, 5133072), (168, 4888640), (192, 4277560), (210, 3910912), (224, 3666480), (240, 3422048), (256, 3208170), (280, 2933184), (320, 2566536), (336, 2444320), (384, 2138780), (420, 1955456), (448, 1833240), (480, 1711024), (512, 1604085), (560, 1466592), (640, 1283268), (672, 1222160), (768, 1069390), (840, 977728), (896, 916620), (960, 855512), (1120, 733296), (1280, 641634), (1344, 611080), (1536, 534695), (1680, 488864), (1792, 458310), (1920, 427756), (2240, 366648), (2560, 320817), (2688, 305540), (3360, 244432), (3584, 229155), (3840, 213878), (4480, 183324), (5376, 152770), (6720, 122216), (7680, 106939), (8960, 91662), (10752, 76385), (13440, 61108), (15277, 53760), (17920, 45831), (26880, 30554)]