172874820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{21031}}^1$

素因数の和:21180

約数の個数: 48

約数和(自身を含む): 487605888

約数和(自身を除く): 314731068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 4110, 8220, 21031, 42062, 63093, 84124, 105155, 126186, 210310, 252372, 315465, 420620, 630930, 1261860, 2881247, 5762494, 8643741, 11524988, 14406235, 17287482, 28812470, 34574964, 43218705, 57624940, 86437410, 172874820]

約数ペア:

[(1, 172874820), (2, 86437410), (3, 57624940), (4, 43218705), (5, 34574964), (6, 28812470), (10, 17287482), (12, 14406235), (15, 11524988), (20, 8643741), (30, 5762494), (60, 2881247), (137, 1261860), (274, 630930), (411, 420620), (548, 315465), (685, 252372), (822, 210310), (1370, 126186), (1644, 105155), (2055, 84124), (2740, 63093), (4110, 42062), (8220, 21031)]