30806640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{42787}}^1$

素因数の和:42806

約数の個数: 60

約数和(自身を含む): 103461384

約数和(自身を除く): 72654744

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, 42787, 85574, 128361, 171148, 213935, 256722, 342296, 385083, 427870, 513444, 641805, 684592, 770166, 855740, 1026888, 1283610, 1540332, 1711480, 1925415, 2053776, 2567220, 3080664, 3422960, 3850830, 5134440, 6161328, 7701660, 10268880, 15403320, 30806640]

約数ペア:

[(1, 30806640), (2, 15403320), (3, 10268880), (4, 7701660), (5, 6161328), (6, 5134440), (8, 3850830), (9, 3422960), (10, 3080664), (12, 2567220), (15, 2053776), (16, 1925415), (18, 1711480), (20, 1540332), (24, 1283610), (30, 1026888), (36, 855740), (40, 770166), (45, 684592), (48, 641805), (60, 513444), (72, 427870), (80, 385083), (90, 342296), (120, 256722), (144, 213935), (180, 171148), (240, 128361), (360, 85574), (720, 42787)]