320197176

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20123}}^1$

素因数の和:20165

約数の個数: 96

約数和(自身を含む): 988893360

約数和(自身を除く): 668696184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 204, 221, 234, 306, 312, 408, 442, 468, 612, 663, 884, 936, 1224, 1326, 1768, 1989, 2652, 3978, 5304, 7956, 15912, 20123, 40246, 60369, 80492, 120738, 160984, 181107, 241476, 261599, 342091, 362214, 482952, 523198, 684182, 724428, 784797, 1026273, 1046396, 1368364, 1448856, 1569594, 2052546, 2092792, 2354391, 2736728, 3078819, 3139188, 4105092, 4447183, 4708782, 6157638, 6278376, 8210184, 8894366, 9417564, 12315276, 13341549, 17788732, 18835128, 24630552, 26683098, 35577464, 40024647, 53366196, 80049294, 106732392, 160098588, 320197176]

約数ペア:

[(1, 320197176), (2, 160098588), (3, 106732392), (4, 80049294), (6, 53366196), (8, 40024647), (9, 35577464), (12, 26683098), (13, 24630552), (17, 18835128), (18, 17788732), (24, 13341549), (26, 12315276), (34, 9417564), (36, 8894366), (39, 8210184), (51, 6278376), (52, 6157638), (68, 4708782), (72, 4447183), (78, 4105092), (102, 3139188), (104, 3078819), (117, 2736728), (136, 2354391), (153, 2092792), (156, 2052546), (204, 1569594), (221, 1448856), (234, 1368364), (306, 1046396), (312, 1026273), (408, 784797), (442, 724428), (468, 684182), (612, 523198), (663, 482952), (884, 362214), (936, 342091), (1224, 261599), (1326, 241476), (1768, 181107), (1989, 160984), (2652, 120738), (3978, 80492), (5304, 60369), (7956, 40246), (15912, 20123)]