72061020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400339}}^1$

素因数の和:400354

約数の個数: 36

約数和(自身を含む): 218585640

約数和(自身を除く): 146524620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400339, 800678, 1201017, 1601356, 2001695, 2402034, 3603051, 4003390, 4804068, 6005085, 7206102, 8006780, 12010170, 14412204, 18015255, 24020340, 36030510, 72061020]

約数ペア:

[(1, 72061020), (2, 36030510), (3, 24020340), (4, 18015255), (5, 14412204), (6, 12010170), (9, 8006780), (10, 7206102), (12, 6005085), (15, 4804068), (18, 4003390), (20, 3603051), (30, 2402034), (36, 2001695), (45, 1601356), (60, 1201017), (90, 800678), (180, 400339)]