128903820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2148397}}^1$

素因数の和:2148409

約数の個数: 24

約数和(自身を含む): 360930864

約数和(自身を除く): 232027044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2148397, 4296794, 6445191, 8593588, 10741985, 12890382, 21483970, 25780764, 32225955, 42967940, 64451910, 128903820]

約数ペア:

[(1, 128903820), (2, 64451910), (3, 42967940), (4, 32225955), (5, 25780764), (6, 21483970), (10, 12890382), (12, 10741985), (15, 8593588), (20, 6445191), (30, 4296794), (60, 2148397)]