217876860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1210427}}^1$

素因数の和:1210442

約数の個数: 36

約数和(自身を含む): 660893688

約数和(自身を除く): 443016828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1210427, 2420854, 3631281, 4841708, 6052135, 7262562, 10893843, 12104270, 14525124, 18156405, 21787686, 24208540, 36312810, 43575372, 54469215, 72625620, 108938430, 217876860]

約数ペア:

[(1, 217876860), (2, 108938430), (3, 72625620), (4, 54469215), (5, 43575372), (6, 36312810), (9, 24208540), (10, 21787686), (12, 18156405), (15, 14525124), (18, 12104270), (20, 10893843), (30, 7262562), (36, 6052135), (45, 4841708), (60, 3631281), (90, 2420854), (180, 1210427)]