1280457774

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1697}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 2897467200

約数和(自身を除く): 1617009426

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 157, 178, 267, 314, 471, 534, 801, 942, 1413, 1602, 1697, 2403, 2826, 3394, 4239, 4806, 5091, 8478, 10182, 13973, 15273, 27946, 30546, 41919, 45819, 83838, 91638, 125757, 151033, 251514, 266429, 302066, 377271, 453099, 532858, 754542, 799287, 906198, 1359297, 1598574, 2397861, 2718594, 4077891, 4795722, 7193583, 8155782, 14387166, 23712181, 47424362, 71136543, 142273086, 213409629, 426819258, 640228887, 1280457774]

約数ペア:

[(1, 1280457774), (2, 640228887), (3, 426819258), (6, 213409629), (9, 142273086), (18, 71136543), (27, 47424362), (54, 23712181), (89, 14387166), (157, 8155782), (178, 7193583), (267, 4795722), (314, 4077891), (471, 2718594), (534, 2397861), (801, 1598574), (942, 1359297), (1413, 906198), (1602, 799287), (1697, 754542), (2403, 532858), (2826, 453099), (3394, 377271), (4239, 302066), (4806, 266429), (5091, 251514), (8478, 151033), (10182, 125757), (13973, 91638), (15273, 83838), (27946, 45819), (30546, 41919)]