81420210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2099}}^1$

素因数の和:2543

約数の個数: 48

約数和(自身を含む): 212284800

約数和(自身を除く): 130864590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 862, 1293, 2099, 2155, 2586, 3879, 4198, 4310, 6297, 6465, 7758, 10495, 12594, 12930, 18891, 19395, 20990, 31485, 37782, 38790, 62970, 94455, 188910, 904669, 1809338, 2714007, 4523345, 5428014, 8142021, 9046690, 13570035, 16284042, 27140070, 40710105, 81420210]

約数ペア:

[(1, 81420210), (2, 40710105), (3, 27140070), (5, 16284042), (6, 13570035), (9, 9046690), (10, 8142021), (15, 5428014), (18, 4523345), (30, 2714007), (45, 1809338), (90, 904669), (431, 188910), (862, 94455), (1293, 62970), (2099, 38790), (2155, 37782), (2586, 31485), (3879, 20990), (4198, 19395), (4310, 18891), (6297, 12930), (6465, 12594), (7758, 10495)]