12900840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107507}}^1$

素因数の和:107521

約数の個数: 32

約数和(自身を含む): 38702880

約数和(自身を除く): 25802040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 107507, 215014, 322521, 430028, 537535, 645042, 860056, 1075070, 1290084, 1612605, 2150140, 2580168, 3225210, 4300280, 6450420, 12900840]

約数ペア:

[(1, 12900840), (2, 6450420), (3, 4300280), (4, 3225210), (5, 2580168), (6, 2150140), (8, 1612605), (10, 1290084), (12, 1075070), (15, 860056), (20, 645042), (24, 537535), (30, 430028), (40, 322521), (60, 215014), (120, 107507)]