180523180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6691}}^1$

素因数の和:6790

約数の個数: 48

約数和(自身を含む): 404732160

約数和(自身を除く): 224208980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6691, 6745, 13382, 13490, 26764, 26980, 33455, 66910, 127129, 133820, 254258, 475061, 508516, 635645, 950122, 1271290, 1900244, 2375305, 2542580, 4750610, 9026159, 9501220, 18052318, 36104636, 45130795, 90261590, 180523180]

約数ペア:

[(1, 180523180), (2, 90261590), (4, 45130795), (5, 36104636), (10, 18052318), (19, 9501220), (20, 9026159), (38, 4750610), (71, 2542580), (76, 2375305), (95, 1900244), (142, 1271290), (190, 950122), (284, 635645), (355, 508516), (380, 475061), (710, 254258), (1349, 133820), (1420, 127129), (2698, 66910), (5396, 33455), (6691, 26980), (6745, 26764), (13382, 13490)]