128719860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2145331}}^1$

素因数の和:2145343

約数の個数: 24

約数和(自身を含む): 360415776

約数和(自身を除く): 231695916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2145331, 4290662, 6435993, 8581324, 10726655, 12871986, 21453310, 25743972, 32179965, 42906620, 64359930, 128719860]

約数ペア:

[(1, 128719860), (2, 64359930), (3, 42906620), (4, 32179965), (5, 25743972), (6, 21453310), (10, 12871986), (12, 10726655), (15, 8581324), (20, 6435993), (30, 4290662), (60, 2145331)]