128902980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2148383}}^1$

素因数の和:2148395

約数の個数: 24

約数和(自身を含む): 360928512

約数和(自身を除く): 232025532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2148383, 4296766, 6445149, 8593532, 10741915, 12890298, 21483830, 25780596, 32225745, 42967660, 64451490, 128902980]

約数ペア:

[(1, 128902980), (2, 64451490), (3, 42967660), (4, 32225745), (5, 25780596), (6, 21483830), (10, 12890298), (12, 10741915), (15, 8593532), (20, 6445149), (30, 4296766), (60, 2148383)]