72513180

素因数分解:

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

素因数の和:402866

約数の個数: 36

約数和(自身を含む): 219957192

約数和(自身を除く): 147444012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 402851, 805702, 1208553, 1611404, 2014255, 2417106, 3625659, 4028510, 4834212, 6042765, 7251318, 8057020, 12085530, 14502636, 18128295, 24171060, 36256590, 72513180]

約数ペア:

[(1, 72513180), (2, 36256590), (3, 24171060), (4, 18128295), (5, 14502636), (6, 12085530), (9, 8057020), (10, 7251318), (12, 6042765), (15, 4834212), (18, 4028510), (20, 3625659), (30, 2417106), (36, 2014255), (45, 1611404), (60, 1208553), (90, 805702), (180, 402851)]