1620946432

素因数分解:

$2^9\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4391}}^1$

素因数の和:4519

約数の個数: 80

約数和(自身を含む): 3738189312

約数和(自身を除く): 2117242880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 256, 412, 448, 512, 721, 824, 896, 1442, 1648, 1792, 2884, 3296, 3584, 4391, 5768, 6592, 8782, 11536, 13184, 17564, 23072, 26368, 30737, 35128, 46144, 52736, 61474, 70256, 92288, 122948, 140512, 184576, 245896, 281024, 369152, 452273, 491792, 562048, 904546, 983584, 1124096, 1809092, 1967168, 2248192, 3165911, 3618184, 3934336, 6331822, 7236368, 7868672, 12663644, 14472736, 15737344, 25327288, 28945472, 50654576, 57890944, 101309152, 115781888, 202618304, 231563776, 405236608, 810473216, 1620946432]

約数ペア:

[(1, 1620946432), (2, 810473216), (4, 405236608), (7, 231563776), (8, 202618304), (14, 115781888), (16, 101309152), (28, 57890944), (32, 50654576), (56, 28945472), (64, 25327288), (103, 15737344), (112, 14472736), (128, 12663644), (206, 7868672), (224, 7236368), (256, 6331822), (412, 3934336), (448, 3618184), (512, 3165911), (721, 2248192), (824, 1967168), (896, 1809092), (1442, 1124096), (1648, 983584), (1792, 904546), (2884, 562048), (3296, 491792), (3584, 452273), (4391, 369152), (5768, 281024), (6592, 245896), (8782, 184576), (11536, 140512), (13184, 122948), (17564, 92288), (23072, 70256), (26368, 61474), (30737, 52736), (35128, 46144)]