128129580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237277}}^1$

素因数の和:237295

約数の個数: 48

約数和(自身を含む): 398627040

約数和(自身を除く): 270497460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 237277, 474554, 711831, 949108, 1186385, 1423662, 2135493, 2372770, 2847324, 3559155, 4270986, 4745540, 6406479, 7118310, 8541972, 10677465, 12812958, 14236620, 21354930, 25625916, 32032395, 42709860, 64064790, 128129580]

約数ペア:

[(1, 128129580), (2, 64064790), (3, 42709860), (4, 32032395), (5, 25625916), (6, 21354930), (9, 14236620), (10, 12812958), (12, 10677465), (15, 8541972), (18, 7118310), (20, 6406479), (27, 4745540), (30, 4270986), (36, 3559155), (45, 2847324), (54, 2372770), (60, 2135493), (90, 1423662), (108, 1186385), (135, 949108), (180, 711831), (270, 474554), (540, 237277)]