8978820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{569}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 25280640

約数和(自身を除く): 16301820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 569, 789, 1052, 1138, 1315, 1578, 1707, 2276, 2630, 2845, 3156, 3414, 3945, 5260, 5690, 6828, 7890, 8535, 11380, 15780, 17070, 34140, 149647, 299294, 448941, 598588, 748235, 897882, 1496470, 1795764, 2244705, 2992940, 4489410, 8978820]

約数ペア:

[(1, 8978820), (2, 4489410), (3, 2992940), (4, 2244705), (5, 1795764), (6, 1496470), (10, 897882), (12, 748235), (15, 598588), (20, 448941), (30, 299294), (60, 149647), (263, 34140), (526, 17070), (569, 15780), (789, 11380), (1052, 8535), (1138, 7890), (1315, 6828), (1578, 5690), (1707, 5260), (2276, 3945), (2630, 3414), (2845, 3156)]