123685020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{687139}}^1$

素因数の和:687154

約数の個数: 36

約数和(自身を含む): 375178440

約数和(自身を除く): 251493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 687139, 1374278, 2061417, 2748556, 3435695, 4122834, 6184251, 6871390, 8245668, 10307085, 12368502, 13742780, 20614170, 24737004, 30921255, 41228340, 61842510, 123685020]

約数ペア:

[(1, 123685020), (2, 61842510), (3, 41228340), (4, 30921255), (5, 24737004), (6, 20614170), (9, 13742780), (10, 12368502), (12, 10307085), (15, 8245668), (18, 6871390), (20, 6184251), (30, 4122834), (36, 3435695), (45, 2748556), (60, 2061417), (90, 1374278), (180, 687139)]