12171780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3559}}^1$

素因数の和:3593

約数の個数: 72

約数和(自身を含む): 38875200

約数和(自身を除く): 26703420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 3559, 7118, 10677, 14236, 17795, 21354, 32031, 35590, 42708, 53385, 64062, 67621, 71180, 106770, 128124, 135242, 160155, 202863, 213540, 270484, 320310, 338105, 405726, 608589, 640620, 676210, 811452, 1014315, 1217178, 1352420, 2028630, 2434356, 3042945, 4057260, 6085890, 12171780]

約数ペア:

[(1, 12171780), (2, 6085890), (3, 4057260), (4, 3042945), (5, 2434356), (6, 2028630), (9, 1352420), (10, 1217178), (12, 1014315), (15, 811452), (18, 676210), (19, 640620), (20, 608589), (30, 405726), (36, 338105), (38, 320310), (45, 270484), (57, 213540), (60, 202863), (76, 160155), (90, 135242), (95, 128124), (114, 106770), (171, 71180), (180, 67621), (190, 64062), (228, 53385), (285, 42708), (342, 35590), (380, 32031), (570, 21354), (684, 17795), (855, 14236), (1140, 10677), (1710, 7118), (3420, 3559)]