72916020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405089}}^1$

素因数の和:405104

約数の個数: 36

約数和(自身を含む): 221179140

約数和(自身を除く): 148263120

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405089, 810178, 1215267, 1620356, 2025445, 2430534, 3645801, 4050890, 4861068, 6076335, 7291602, 8101780, 12152670, 14583204, 18229005, 24305340, 36458010, 72916020]

約数ペア:

[(1, 72916020), (2, 36458010), (3, 24305340), (4, 18229005), (5, 14583204), (6, 12152670), (9, 8101780), (10, 7291602), (12, 6076335), (15, 4861068), (18, 4050890), (20, 3645801), (30, 2430534), (36, 2025445), (45, 1620356), (60, 1215267), (90, 810178), (180, 405089)]