129712980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2161883}}^1$

素因数の和:2161895

約数の個数: 24

約数和(自身を含む): 363196512

約数和(自身を除く): 233483532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2161883, 4323766, 6485649, 8647532, 10809415, 12971298, 21618830, 25942596, 32428245, 43237660, 64856490, 129712980]

約数ペア:

[(1, 129712980), (2, 64856490), (3, 43237660), (4, 32428245), (5, 25942596), (6, 21618830), (10, 12971298), (12, 10809415), (15, 8647532), (20, 6485649), (30, 4323766), (60, 2161883)]