128693640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1072447}}^1$

素因数の和:1072461

約数の個数: 32

約数和(自身を含む): 386081280

約数和(自身を除く): 257387640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1072447, 2144894, 3217341, 4289788, 5362235, 6434682, 8579576, 10724470, 12869364, 16086705, 21448940, 25738728, 32173410, 42897880, 64346820, 128693640]

約数ペア:

[(1, 128693640), (2, 64346820), (3, 42897880), (4, 32173410), (5, 25738728), (6, 21448940), (8, 16086705), (10, 12869364), (12, 10724470), (15, 8579576), (20, 6434682), (24, 5362235), (30, 4289788), (40, 3217341), (60, 2144894), (120, 1072447)]