131028120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{363967}}^1$

素因数の和:363984

約数の個数: 48

約数和(自身を含む): 425842560

約数和(自身を除く): 294814440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 363967, 727934, 1091901, 1455868, 1819835, 2183802, 2911736, 3275703, 3639670, 4367604, 5459505, 6551406, 7279340, 8735208, 10919010, 13102812, 14558680, 16378515, 21838020, 26205624, 32757030, 43676040, 65514060, 131028120]

約数ペア:

[(1, 131028120), (2, 65514060), (3, 43676040), (4, 32757030), (5, 26205624), (6, 21838020), (8, 16378515), (9, 14558680), (10, 13102812), (12, 10919010), (15, 8735208), (18, 7279340), (20, 6551406), (24, 5459505), (30, 4367604), (36, 3639670), (40, 3275703), (45, 2911736), (60, 2183802), (72, 1819835), (90, 1455868), (120, 1091901), (180, 727934), (360, 363967)]