128254860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237509}}^1$

素因数の和:237527

約数の個数: 48

約数和(自身を含む): 399016800

約数和(自身を除く): 270761940

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, 237509, 475018, 712527, 950036, 1187545, 1425054, 2137581, 2375090, 2850108, 3562635, 4275162, 4750180, 6412743, 7125270, 8550324, 10687905, 12825486, 14250540, 21375810, 25650972, 32063715, 42751620, 64127430, 128254860]

約数ペア:

[(1, 128254860), (2, 64127430), (3, 42751620), (4, 32063715), (5, 25650972), (6, 21375810), (9, 14250540), (10, 12825486), (12, 10687905), (15, 8550324), (18, 7125270), (20, 6412743), (27, 4750180), (30, 4275162), (36, 3562635), (45, 2850108), (54, 2375090), (60, 2137581), (90, 1425054), (108, 1187545), (135, 950036), (180, 712527), (270, 475018), (540, 237509)]