43020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1$

素因数の和:254

約数の個数: 36

約数和(自身を含む): 131040

約数和(自身を除く): 88020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 7170, 8604, 10755, 14340, 21510, 43020]

約数ペア:

[(1, 43020), (2, 21510), (3, 14340), (4, 10755), (5, 8604), (6, 7170), (9, 4780), (10, 4302), (12, 3585), (15, 2868), (18, 2390), (20, 2151), (30, 1434), (36, 1195), (45, 956), (60, 717), (90, 478), (180, 239)]