128938770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{477551}}^1$

素因数の和:477567

約数の個数: 32

約数和(自身を含む): 343837440

約数和(自身を除く): 214898670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 477551, 955102, 1432653, 2387755, 2865306, 4297959, 4775510, 7163265, 8595918, 12893877, 14326530, 21489795, 25787754, 42979590, 64469385, 128938770]

約数ペア:

[(1, 128938770), (2, 64469385), (3, 42979590), (5, 25787754), (6, 21489795), (9, 14326530), (10, 12893877), (15, 8595918), (18, 7163265), (27, 4775510), (30, 4297959), (45, 2865306), (54, 2387755), (90, 1432653), (135, 955102), (270, 477551)]