142020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{263}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 443520

約数和(自身を除く): 301500

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, 263, 270, 526, 540, 789, 1052, 1315, 1578, 2367, 2630, 3156, 3945, 4734, 5260, 7101, 7890, 9468, 11835, 14202, 15780, 23670, 28404, 35505, 47340, 71010, 142020]

約数ペア:

[(1, 142020), (2, 71010), (3, 47340), (4, 35505), (5, 28404), (6, 23670), (9, 15780), (10, 14202), (12, 11835), (15, 9468), (18, 7890), (20, 7101), (27, 5260), (30, 4734), (36, 3945), (45, 3156), (54, 2630), (60, 2367), (90, 1578), (108, 1315), (135, 1052), (180, 789), (263, 540), (270, 526)]