128208690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{474847}}^1$

素因数の和:474863

約数の個数: 32

約数和(自身を含む): 341890560

約数和(自身を除く): 213681870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 474847, 949694, 1424541, 2374235, 2849082, 4273623, 4748470, 7122705, 8547246, 12820869, 14245410, 21368115, 25641738, 42736230, 64104345, 128208690]

約数ペア:

[(1, 128208690), (2, 64104345), (3, 42736230), (5, 25641738), (6, 21368115), (9, 14245410), (10, 12820869), (15, 8547246), (18, 7122705), (27, 4748470), (30, 4273623), (45, 2849082), (54, 2374235), (90, 1424541), (135, 949694), (270, 474847)]