280555520

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 208

約数和(自身を含む): 817789440

約数和(自身を除く): 537233920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 103, 112, 128, 133, 140, 152, 160, 190, 206, 224, 256, 266, 280, 304, 320, 380, 412, 448, 512, 515, 532, 560, 608, 640, 665, 721, 760, 824, 896, 1024, 1030, 1064, 1120, 1216, 1280, 1330, 1442, 1520, 1648, 1792, 1957, 2048, 2060, 2128, 2240, 2432, 2560, 2660, 2884, 3040, 3296, 3584, 3605, 3914, 4096, 4120, 4256, 4480, 4864, 5120, 5320, 5768, 6080, 6592, 7168, 7210, 7828, 8240, 8512, 8960, 9728, 9785, 10240, 10640, 11536, 12160, 13184, 13699, 14336, 14420, 15656, 16480, 17024, 17920, 19456, 19570, 20480, 21280, 23072, 24320, 26368, 27398, 28672, 28840, 31312, 32960, 34048, 35840, 38912, 39140, 42560, 46144, 48640, 52736, 54796, 57680, 62624, 65920, 68096, 68495, 71680, 77824, 78280, 85120, 92288, 97280, 105472, 109592, 115360, 125248, 131840, 136192, 136990, 143360, 156560, 170240, 184576, 194560, 210944, 219184, 230720, 250496, 263680, 272384, 273980, 313120, 340480, 369152, 389120, 421888, 438368, 461440, 500992, 527360, 544768, 547960, 626240, 680960, 738304, 876736, 922880, 1001984, 1054720, 1095920, 1252480, 1361920, 1476608, 1753472, 1845760, 2003968, 2109440, 2191840, 2504960, 2723840, 2953216, 3506944, 3691520, 4007936, 4383680, 5009920, 7013888, 7383040, 8015872, 8767360, 10019840, 14027776, 14766080, 17534720, 20039680, 28055552, 35069440, 40079360, 56111104, 70138880, 140277760, 280555520]

約数ペア:

[(1, 280555520), (2, 140277760), (4, 70138880), (5, 56111104), (7, 40079360), (8, 35069440), (10, 28055552), (14, 20039680), (16, 17534720), (19, 14766080), (20, 14027776), (28, 10019840), (32, 8767360), (35, 8015872), (38, 7383040), (40, 7013888), (56, 5009920), (64, 4383680), (70, 4007936), (76, 3691520), (80, 3506944), (95, 2953216), (103, 2723840), (112, 2504960), (128, 2191840), (133, 2109440), (140, 2003968), (152, 1845760), (160, 1753472), (190, 1476608), (206, 1361920), (224, 1252480), (256, 1095920), (266, 1054720), (280, 1001984), (304, 922880), (320, 876736), (380, 738304), (412, 680960), (448, 626240), (512, 547960), (515, 544768), (532, 527360), (560, 500992), (608, 461440), (640, 438368), (665, 421888), (721, 389120), (760, 369152), (824, 340480), (896, 313120), (1024, 273980), (1030, 272384), (1064, 263680), (1120, 250496), (1216, 230720), (1280, 219184), (1330, 210944), (1442, 194560), (1520, 184576), (1648, 170240), (1792, 156560), (1957, 143360), (2048, 136990), (2060, 136192), (2128, 131840), (2240, 125248), (2432, 115360), (2560, 109592), (2660, 105472), (2884, 97280), (3040, 92288), (3296, 85120), (3584, 78280), (3605, 77824), (3914, 71680), (4096, 68495), (4120, 68096), (4256, 65920), (4480, 62624), (4864, 57680), (5120, 54796), (5320, 52736), (5768, 48640), (6080, 46144), (6592, 42560), (7168, 39140), (7210, 38912), (7828, 35840), (8240, 34048), (8512, 32960), (8960, 31312), (9728, 28840), (9785, 28672), (10240, 27398), (10640, 26368), (11536, 24320), (12160, 23072), (13184, 21280), (13699, 20480), (14336, 19570), (14420, 19456), (15656, 17920), (16480, 17024)]