217539540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{402851}}^1$

素因数の和:402869

約数の個数: 48

約数和(自身を含む): 676791360

約数和(自身を除く): 459251820

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, 402851, 805702, 1208553, 1611404, 2014255, 2417106, 3625659, 4028510, 4834212, 6042765, 7251318, 8057020, 10876977, 12085530, 14502636, 18128295, 21753954, 24171060, 36256590, 43507908, 54384885, 72513180, 108769770, 217539540]

約数ペア:

[(1, 217539540), (2, 108769770), (3, 72513180), (4, 54384885), (5, 43507908), (6, 36256590), (9, 24171060), (10, 21753954), (12, 18128295), (15, 14502636), (18, 12085530), (20, 10876977), (27, 8057020), (30, 7251318), (36, 6042765), (45, 4834212), (54, 4028510), (60, 3625659), (90, 2417106), (108, 2014255), (135, 1611404), (180, 1208553), (270, 805702), (540, 402851)]