218615220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{404843}}^1$

素因数の和:404861

約数の個数: 48

約数和(自身を含む): 680137920

約数和(自身を除く): 461522700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 404843, 809686, 1214529, 1619372, 2024215, 2429058, 3643587, 4048430, 4858116, 6072645, 7287174, 8096860, 10930761, 12145290, 14574348, 18217935, 21861522, 24290580, 36435870, 43723044, 54653805, 72871740, 109307610, 218615220]

約数ペア:

[(1, 218615220), (2, 109307610), (3, 72871740), (4, 54653805), (5, 43723044), (6, 36435870), (9, 24290580), (10, 21861522), (12, 18217935), (15, 14574348), (18, 12145290), (20, 10930761), (27, 8096860), (30, 7287174), (36, 6072645), (45, 4858116), (54, 4048430), (60, 3643587), (90, 2429058), (108, 2024215), (135, 1619372), (180, 1214529), (270, 809686), (540, 404843)]