28726680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239389}}^1$

素因数の和:239403

約数の個数: 32

約数和(自身を含む): 86180400

約数和(自身を除く): 57453720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239389, 478778, 718167, 957556, 1196945, 1436334, 1915112, 2393890, 2872668, 3590835, 4787780, 5745336, 7181670, 9575560, 14363340, 28726680]

約数ペア:

[(1, 28726680), (2, 14363340), (3, 9575560), (4, 7181670), (5, 5745336), (6, 4787780), (8, 3590835), (10, 2872668), (12, 2393890), (15, 1915112), (20, 1436334), (24, 1196945), (30, 957556), (40, 718167), (60, 478778), (120, 239389)]