720295956

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{25951}}^1$

素因数の和:26221

約数の個数: 48

約数和(自身を含む): 1874772480

約数和(自身を除く): 1154476524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 771, 1028, 1542, 2313, 3084, 4626, 6939, 9252, 13878, 25951, 27756, 51902, 77853, 103804, 155706, 233559, 311412, 467118, 700677, 934236, 1401354, 2802708, 6669407, 13338814, 20008221, 26677628, 40016442, 60024663, 80032884, 120049326, 180073989, 240098652, 360147978, 720295956]

約数ペア:

[(1, 720295956), (2, 360147978), (3, 240098652), (4, 180073989), (6, 120049326), (9, 80032884), (12, 60024663), (18, 40016442), (27, 26677628), (36, 20008221), (54, 13338814), (108, 6669407), (257, 2802708), (514, 1401354), (771, 934236), (1028, 700677), (1542, 467118), (2313, 311412), (3084, 233559), (4626, 155706), (6939, 103804), (9252, 77853), (13878, 51902), (25951, 27756)]