20052720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27851}}^1$

素因数の和:27870

約数の個数: 60

約数和(自身を含む): 67346136

約数和(自身を除く): 47293416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27851, 55702, 83553, 111404, 139255, 167106, 222808, 250659, 278510, 334212, 417765, 445616, 501318, 557020, 668424, 835530, 1002636, 1114040, 1253295, 1336848, 1671060, 2005272, 2228080, 2506590, 3342120, 4010544, 5013180, 6684240, 10026360, 20052720]

約数ペア:

[(1, 20052720), (2, 10026360), (3, 6684240), (4, 5013180), (5, 4010544), (6, 3342120), (8, 2506590), (9, 2228080), (10, 2005272), (12, 1671060), (15, 1336848), (16, 1253295), (18, 1114040), (20, 1002636), (24, 835530), (30, 668424), (36, 557020), (40, 501318), (45, 445616), (48, 417765), (60, 334212), (72, 278510), (80, 250659), (90, 222808), (120, 167106), (144, 139255), (180, 111404), (240, 83553), (360, 55702), (720, 27851)]