51383820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1987}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 144281088

約数和(自身を除く): 92897268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 862, 1293, 1724, 1987, 2155, 2586, 3974, 4310, 5172, 5961, 6465, 7948, 8620, 9935, 11922, 12930, 19870, 23844, 25860, 29805, 39740, 59610, 119220, 856397, 1712794, 2569191, 3425588, 4281985, 5138382, 8563970, 10276764, 12845955, 17127940, 25691910, 51383820]

約数ペア:

[(1, 51383820), (2, 25691910), (3, 17127940), (4, 12845955), (5, 10276764), (6, 8563970), (10, 5138382), (12, 4281985), (15, 3425588), (20, 2569191), (30, 1712794), (60, 856397), (431, 119220), (862, 59610), (1293, 39740), (1724, 29805), (1987, 25860), (2155, 23844), (2586, 19870), (3974, 12930), (4310, 11922), (5172, 9935), (5961, 8620), (6465, 7948)]