660420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1223}}^1$

素因数の和:1241

約数の個数: 48

約数和(自身を含む): 2056320

約数和(自身を除く): 1395900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1223, 2446, 3669, 4892, 6115, 7338, 11007, 12230, 14676, 18345, 22014, 24460, 33021, 36690, 44028, 55035, 66042, 73380, 110070, 132084, 165105, 220140, 330210, 660420]

約数ペア:

[(1, 660420), (2, 330210), (3, 220140), (4, 165105), (5, 132084), (6, 110070), (9, 73380), (10, 66042), (12, 55035), (15, 44028), (18, 36690), (20, 33021), (27, 24460), (30, 22014), (36, 18345), (45, 14676), (54, 12230), (60, 11007), (90, 7338), (108, 6115), (135, 4892), (180, 3669), (270, 2446), (540, 1223)]