68940840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{574507}}^1$

素因数の和:574521

約数の個数: 32

約数和(自身を含む): 206822880

約数和(自身を除く): 137882040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 574507, 1149014, 1723521, 2298028, 2872535, 3447042, 4596056, 5745070, 6894084, 8617605, 11490140, 13788168, 17235210, 22980280, 34470420, 68940840]

約数ペア:

[(1, 68940840), (2, 34470420), (3, 22980280), (4, 17235210), (5, 13788168), (6, 11490140), (8, 8617605), (10, 6894084), (12, 5745070), (15, 4596056), (20, 3447042), (24, 2872535), (30, 2298028), (40, 1723521), (60, 1149014), (120, 574507)]