320451336

素因数分解:

$2^3\times 3^3\times {\mathrm{647}}^1\times {\mathrm{2293}}^1$

素因数の和:2955

約数の個数: 64

約数和(自身を含む): 891907200

約数和(自身を除く): 571455864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 647, 1294, 1941, 2293, 2588, 3882, 4586, 5176, 5823, 6879, 7764, 9172, 11646, 13758, 15528, 17469, 18344, 20637, 23292, 27516, 34938, 41274, 46584, 55032, 61911, 69876, 82548, 123822, 139752, 165096, 247644, 495288, 1483571, 2967142, 4450713, 5934284, 8901426, 11868568, 13352139, 17802852, 26704278, 35605704, 40056417, 53408556, 80112834, 106817112, 160225668, 320451336]

約数ペア:

[(1, 320451336), (2, 160225668), (3, 106817112), (4, 80112834), (6, 53408556), (8, 40056417), (9, 35605704), (12, 26704278), (18, 17802852), (24, 13352139), (27, 11868568), (36, 8901426), (54, 5934284), (72, 4450713), (108, 2967142), (216, 1483571), (647, 495288), (1294, 247644), (1941, 165096), (2293, 139752), (2588, 123822), (3882, 82548), (4586, 69876), (5176, 61911), (5823, 55032), (6879, 46584), (7764, 41274), (9172, 34938), (11646, 27516), (13758, 23292), (15528, 20637), (17469, 18344)]