77647980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1459}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 217808640

約数和(自身を除く): 140160660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 887, 1459, 1774, 2661, 2918, 3548, 4377, 4435, 5322, 5836, 7295, 8754, 8870, 10644, 13305, 14590, 17508, 17740, 21885, 26610, 29180, 43770, 53220, 87540, 1294133, 2588266, 3882399, 5176532, 6470665, 7764798, 12941330, 15529596, 19411995, 25882660, 38823990, 77647980]

約数ペア:

[(1, 77647980), (2, 38823990), (3, 25882660), (4, 19411995), (5, 15529596), (6, 12941330), (10, 7764798), (12, 6470665), (15, 5176532), (20, 3882399), (30, 2588266), (60, 1294133), (887, 87540), (1459, 53220), (1774, 43770), (2661, 29180), (2918, 26610), (3548, 21885), (4377, 17740), (4435, 17508), (5322, 14590), (5836, 13305), (7295, 10644), (8754, 8870)]