28507260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{853}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 80057376

約数和(自身を除く): 51550116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 853, 1114, 1671, 1706, 2228, 2559, 2785, 3342, 3412, 4265, 5118, 5570, 6684, 8355, 8530, 10236, 11140, 12795, 16710, 17060, 25590, 33420, 51180, 475121, 950242, 1425363, 1900484, 2375605, 2850726, 4751210, 5701452, 7126815, 9502420, 14253630, 28507260]

約数ペア:

[(1, 28507260), (2, 14253630), (3, 9502420), (4, 7126815), (5, 5701452), (6, 4751210), (10, 2850726), (12, 2375605), (15, 1900484), (20, 1425363), (30, 950242), (60, 475121), (557, 51180), (853, 33420), (1114, 25590), (1671, 17060), (1706, 16710), (2228, 12795), (2559, 11140), (2785, 10236), (3342, 8530), (3412, 8355), (4265, 6684), (5118, 5570)]