891546660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{17881}}^1$

素因数の和:18173

約数の個数: 72

約数和(自身を含む): 2714273016

約数和(自身を除く): 1822726356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 2493, 2770, 3324, 4155, 4986, 5540, 8310, 9972, 12465, 16620, 17881, 24930, 35762, 49860, 53643, 71524, 89405, 107286, 160929, 178810, 214572, 268215, 321858, 357620, 536430, 643716, 804645, 1072860, 1609290, 3218580, 4953037, 9906074, 14859111, 19812148, 24765185, 29718222, 44577333, 49530370, 59436444, 74295555, 89154666, 99060740, 148591110, 178309332, 222886665, 297182220, 445773330, 891546660]

約数ペア:

[(1, 891546660), (2, 445773330), (3, 297182220), (4, 222886665), (5, 178309332), (6, 148591110), (9, 99060740), (10, 89154666), (12, 74295555), (15, 59436444), (18, 49530370), (20, 44577333), (30, 29718222), (36, 24765185), (45, 19812148), (60, 14859111), (90, 9906074), (180, 4953037), (277, 3218580), (554, 1609290), (831, 1072860), (1108, 804645), (1385, 643716), (1662, 536430), (2493, 357620), (2770, 321858), (3324, 268215), (4155, 214572), (4986, 178810), (5540, 160929), (8310, 107286), (9972, 89405), (12465, 71524), (16620, 53643), (17881, 49860), (24930, 35762)]