90785940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{216157}}^1$

素因数の和:216176

約数の個数: 48

約数和(自身を含む): 290516352

約数和(自身を除く): 199730412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 216157, 432314, 648471, 864628, 1080785, 1296942, 1513099, 2161570, 2593884, 3026198, 3242355, 4323140, 4539297, 6052396, 6484710, 7565495, 9078594, 12969420, 15130990, 18157188, 22696485, 30261980, 45392970, 90785940]

約数ペア:

[(1, 90785940), (2, 45392970), (3, 30261980), (4, 22696485), (5, 18157188), (6, 15130990), (7, 12969420), (10, 9078594), (12, 7565495), (14, 6484710), (15, 6052396), (20, 4539297), (21, 4323140), (28, 3242355), (30, 3026198), (35, 2593884), (42, 2161570), (60, 1513099), (70, 1296942), (84, 1080785), (105, 864628), (140, 648471), (210, 432314), (420, 216157)]