12723140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 29538432

約数和(自身を除く): 16815292

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1627, 1955, 3254, 3910, 6508, 7820, 8135, 16270, 27659, 32540, 37421, 55318, 74842, 110636, 138295, 149684, 187105, 276590, 374210, 553180, 636157, 748420, 1272314, 2544628, 3180785, 6361570, 12723140]

約数ペア:

[(1, 12723140), (2, 6361570), (4, 3180785), (5, 2544628), (10, 1272314), (17, 748420), (20, 636157), (23, 553180), (34, 374210), (46, 276590), (68, 187105), (85, 149684), (92, 138295), (115, 110636), (170, 74842), (230, 55318), (340, 37421), (391, 32540), (460, 27659), (782, 16270), (1564, 8135), (1627, 7820), (1955, 6508), (3254, 3910)]