80142720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 256

約数和(自身を含む): 299635200

約数和(自身を除く): 219492480

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, 67, 70, 80, 84, 89, 96, 105, 112, 120, 128, 134, 140, 160, 168, 178, 192, 201, 210, 224, 240, 267, 268, 280, 320, 335, 336, 356, 384, 402, 420, 445, 448, 469, 480, 534, 536, 560, 623, 640, 670, 672, 712, 804, 840, 890, 896, 938, 960, 1005, 1068, 1072, 1120, 1246, 1335, 1340, 1344, 1407, 1424, 1608, 1680, 1780, 1869, 1876, 1920, 2010, 2136, 2144, 2240, 2345, 2492, 2670, 2680, 2688, 2814, 2848, 3115, 3216, 3360, 3560, 3738, 3752, 4020, 4272, 4288, 4480, 4690, 4984, 5340, 5360, 5628, 5696, 5963, 6230, 6432, 6720, 7035, 7120, 7476, 7504, 8040, 8544, 8576, 9345, 9380, 9968, 10680, 10720, 11256, 11392, 11926, 12460, 12864, 13440, 14070, 14240, 14952, 15008, 16080, 17088, 17889, 18690, 18760, 19936, 21360, 21440, 22512, 23852, 24920, 25728, 28140, 28480, 29815, 29904, 30016, 32160, 34176, 35778, 37380, 37520, 39872, 41741, 42720, 42880, 45024, 47704, 49840, 56280, 56960, 59630, 59808, 60032, 64320, 71556, 74760, 75040, 79744, 83482, 85440, 89445, 90048, 95408, 99680, 112560, 119260, 119616, 125223, 128640, 143112, 149520, 150080, 166964, 170880, 178890, 180096, 190816, 199360, 208705, 225120, 238520, 239232, 250446, 286224, 299040, 300160, 333928, 357780, 381632, 398720, 417410, 450240, 477040, 500892, 572448, 598080, 626115, 667856, 715560, 763264, 834820, 900480, 954080, 1001784, 1144896, 1196160, 1252230, 1335712, 1431120, 1669640, 1908160, 2003568, 2289792, 2504460, 2671424, 2862240, 3339280, 3816320, 4007136, 5008920, 5342848, 5724480, 6678560, 8014272, 10017840, 11448960, 13357120, 16028544, 20035680, 26714240, 40071360, 80142720]

約数ペア:

[(1, 80142720), (2, 40071360), (3, 26714240), (4, 20035680), (5, 16028544), (6, 13357120), (7, 11448960), (8, 10017840), (10, 8014272), (12, 6678560), (14, 5724480), (15, 5342848), (16, 5008920), (20, 4007136), (21, 3816320), (24, 3339280), (28, 2862240), (30, 2671424), (32, 2504460), (35, 2289792), (40, 2003568), (42, 1908160), (48, 1669640), (56, 1431120), (60, 1335712), (64, 1252230), (67, 1196160), (70, 1144896), (80, 1001784), (84, 954080), (89, 900480), (96, 834820), (105, 763264), (112, 715560), (120, 667856), (128, 626115), (134, 598080), (140, 572448), (160, 500892), (168, 477040), (178, 450240), (192, 417410), (201, 398720), (210, 381632), (224, 357780), (240, 333928), (267, 300160), (268, 299040), (280, 286224), (320, 250446), (335, 239232), (336, 238520), (356, 225120), (384, 208705), (402, 199360), (420, 190816), (445, 180096), (448, 178890), (469, 170880), (480, 166964), (534, 150080), (536, 149520), (560, 143112), (623, 128640), (640, 125223), (670, 119616), (672, 119260), (712, 112560), (804, 99680), (840, 95408), (890, 90048), (896, 89445), (938, 85440), (960, 83482), (1005, 79744), (1068, 75040), (1072, 74760), (1120, 71556), (1246, 64320), (1335, 60032), (1340, 59808), (1344, 59630), (1407, 56960), (1424, 56280), (1608, 49840), (1680, 47704), (1780, 45024), (1869, 42880), (1876, 42720), (1920, 41741), (2010, 39872), (2136, 37520), (2144, 37380), (2240, 35778), (2345, 34176), (2492, 32160), (2670, 30016), (2680, 29904), (2688, 29815), (2814, 28480), (2848, 28140), (3115, 25728), (3216, 24920), (3360, 23852), (3560, 22512), (3738, 21440), (3752, 21360), (4020, 19936), (4272, 18760), (4288, 18690), (4480, 17889), (4690, 17088), (4984, 16080), (5340, 15008), (5360, 14952), (5628, 14240), (5696, 14070), (5963, 13440), (6230, 12864), (6432, 12460), (6720, 11926), (7035, 11392), (7120, 11256), (7476, 10720), (7504, 10680), (8040, 9968), (8544, 9380), (8576, 9345)]