81349260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71359}}^1$

素因数の和:71390

約数の個数: 48

約数和(自身を含む): 239769600

約数和(自身を除く): 158420340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71359, 142718, 214077, 285436, 356795, 428154, 713590, 856308, 1070385, 1355821, 1427180, 2140770, 2711642, 4067463, 4281540, 5423284, 6779105, 8134926, 13558210, 16269852, 20337315, 27116420, 40674630, 81349260]

約数ペア:

[(1, 81349260), (2, 40674630), (3, 27116420), (4, 20337315), (5, 16269852), (6, 13558210), (10, 8134926), (12, 6779105), (15, 5423284), (19, 4281540), (20, 4067463), (30, 2711642), (38, 2140770), (57, 1427180), (60, 1355821), (76, 1070385), (95, 856308), (114, 713590), (190, 428154), (228, 356795), (285, 285436), (380, 214077), (570, 142718), (1140, 71359)]