28392240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 88538976

約数和(自身を除く): 60146736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 421, 562, 842, 843, 1124, 1263, 1405, 1684, 1686, 2105, 2248, 2526, 2810, 3368, 3372, 4210, 4215, 4496, 5052, 5620, 6315, 6736, 6744, 8420, 8430, 10104, 11240, 12630, 13488, 16840, 16860, 20208, 22480, 25260, 33680, 33720, 50520, 67440, 101040, 118301, 236602, 354903, 473204, 591505, 709806, 946408, 1183010, 1419612, 1774515, 1892816, 2366020, 2839224, 3549030, 4732040, 5678448, 7098060, 9464080, 14196120, 28392240]

約数ペア:

[(1, 28392240), (2, 14196120), (3, 9464080), (4, 7098060), (5, 5678448), (6, 4732040), (8, 3549030), (10, 2839224), (12, 2366020), (15, 1892816), (16, 1774515), (20, 1419612), (24, 1183010), (30, 946408), (40, 709806), (48, 591505), (60, 473204), (80, 354903), (120, 236602), (240, 118301), (281, 101040), (421, 67440), (562, 50520), (842, 33720), (843, 33680), (1124, 25260), (1263, 22480), (1405, 20208), (1684, 16860), (1686, 16840), (2105, 13488), (2248, 12630), (2526, 11240), (2810, 10104), (3368, 8430), (3372, 8420), (4210, 6744), (4215, 6736), (4496, 6315), (5052, 5620)]