129218520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1076821}}^1$

素因数の和:1076835

約数の個数: 32

約数和(自身を含む): 387655920

約数和(自身を除く): 258437400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1076821, 2153642, 3230463, 4307284, 5384105, 6460926, 8614568, 10768210, 12921852, 16152315, 21536420, 25843704, 32304630, 43072840, 64609260, 129218520]

約数ペア:

[(1, 129218520), (2, 64609260), (3, 43072840), (4, 32304630), (5, 25843704), (6, 21536420), (8, 16152315), (10, 12921852), (12, 10768210), (15, 8614568), (20, 6460926), (24, 5384105), (30, 4307284), (40, 3230463), (60, 2153642), (120, 1076821)]