38538540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{853}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 117503568

約数和(自身を除く): 78965028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 853, 1004, 1255, 1506, 1706, 2259, 2510, 2559, 3012, 3412, 3765, 4265, 4518, 5020, 5118, 7530, 7677, 8530, 9036, 10236, 11295, 12795, 15060, 15354, 17060, 22590, 25590, 30708, 38385, 45180, 51180, 76770, 153540, 214103, 428206, 642309, 856412, 1070515, 1284618, 1926927, 2141030, 2569236, 3211545, 3853854, 4282060, 6423090, 7707708, 9634635, 12846180, 19269270, 38538540]

約数ペア:

[(1, 38538540), (2, 19269270), (3, 12846180), (4, 9634635), (5, 7707708), (6, 6423090), (9, 4282060), (10, 3853854), (12, 3211545), (15, 2569236), (18, 2141030), (20, 1926927), (30, 1284618), (36, 1070515), (45, 856412), (60, 642309), (90, 428206), (180, 214103), (251, 153540), (502, 76770), (753, 51180), (853, 45180), (1004, 38385), (1255, 30708), (1506, 25590), (1706, 22590), (2259, 17060), (2510, 15354), (2559, 15060), (3012, 12795), (3412, 11295), (3765, 10236), (4265, 9036), (4518, 8530), (5020, 7677), (5118, 7530)]