257101440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:754

約数の個数: 128

約数和(自身を含む): 823996800

約数和(自身を除く): 566895360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 359, 373, 384, 480, 640, 718, 746, 960, 1077, 1119, 1436, 1492, 1795, 1865, 1920, 2154, 2238, 2872, 2984, 3590, 3730, 4308, 4476, 5385, 5595, 5744, 5968, 7180, 7460, 8616, 8952, 10770, 11190, 11488, 11936, 14360, 14920, 17232, 17904, 21540, 22380, 22976, 23872, 28720, 29840, 34464, 35808, 43080, 44760, 45952, 47744, 57440, 59680, 68928, 71616, 86160, 89520, 114880, 119360, 133907, 137856, 143232, 172320, 179040, 229760, 238720, 267814, 344640, 358080, 401721, 535628, 669535, 689280, 716160, 803442, 1071256, 1339070, 1606884, 2008605, 2142512, 2678140, 3213768, 4017210, 4285024, 5356280, 6427536, 8034420, 8570048, 10712560, 12855072, 16068840, 17140096, 21425120, 25710144, 32137680, 42850240, 51420288, 64275360, 85700480, 128550720, 257101440]

約数ペア:

[(1, 257101440), (2, 128550720), (3, 85700480), (4, 64275360), (5, 51420288), (6, 42850240), (8, 32137680), (10, 25710144), (12, 21425120), (15, 17140096), (16, 16068840), (20, 12855072), (24, 10712560), (30, 8570048), (32, 8034420), (40, 6427536), (48, 5356280), (60, 4285024), (64, 4017210), (80, 3213768), (96, 2678140), (120, 2142512), (128, 2008605), (160, 1606884), (192, 1339070), (240, 1071256), (320, 803442), (359, 716160), (373, 689280), (384, 669535), (480, 535628), (640, 401721), (718, 358080), (746, 344640), (960, 267814), (1077, 238720), (1119, 229760), (1436, 179040), (1492, 172320), (1795, 143232), (1865, 137856), (1920, 133907), (2154, 119360), (2238, 114880), (2872, 89520), (2984, 86160), (3590, 71616), (3730, 68928), (4308, 59680), (4476, 57440), (5385, 47744), (5595, 45952), (5744, 44760), (5968, 43080), (7180, 35808), (7460, 34464), (8616, 29840), (8952, 28720), (10770, 23872), (11190, 22976), (11488, 22380), (11936, 21540), (14360, 17904), (14920, 17232)]