128907420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2148457}}^1$

素因数の和:2148469

約数の個数: 24

約数和(自身を含む): 360940944

約数和(自身を除く): 232033524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2148457, 4296914, 6445371, 8593828, 10742285, 12890742, 21484570, 25781484, 32226855, 42969140, 64453710, 128907420]

約数ペア:

[(1, 128907420), (2, 64453710), (3, 42969140), (4, 32226855), (5, 25781484), (6, 21484570), (10, 12890742), (12, 10742285), (15, 8593828), (20, 6445371), (30, 4296914), (60, 2148457)]