399240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 1298700

約数和(自身を除く): 899460

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, 1109, 2218, 3327, 4436, 5545, 6654, 8872, 9981, 11090, 13308, 16635, 19962, 22180, 26616, 33270, 39924, 44360, 49905, 66540, 79848, 99810, 133080, 199620, 399240]

約数ペア:

[(1, 399240), (2, 199620), (3, 133080), (4, 99810), (5, 79848), (6, 66540), (8, 49905), (9, 44360), (10, 39924), (12, 33270), (15, 26616), (18, 22180), (20, 19962), (24, 16635), (30, 13308), (36, 11090), (40, 9981), (45, 8872), (60, 6654), (72, 5545), (90, 4436), (120, 3327), (180, 2218), (360, 1109)]