320665856

素因数分解:

$2^8\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 737802240

約数和(自身を除く): 417136384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 448, 508, 889, 896, 1016, 1409, 1778, 1792, 2032, 2818, 3556, 4064, 5636, 7112, 8128, 9863, 11272, 14224, 16256, 19726, 22544, 28448, 32512, 39452, 45088, 56896, 78904, 90176, 113792, 157808, 178943, 180352, 227584, 315616, 357886, 360704, 631232, 715772, 1252601, 1262464, 1431544, 2505202, 2524928, 2863088, 5010404, 5726176, 10020808, 11452352, 20041616, 22904704, 40083232, 45809408, 80166464, 160332928, 320665856]

約数ペア:

[(1, 320665856), (2, 160332928), (4, 80166464), (7, 45809408), (8, 40083232), (14, 22904704), (16, 20041616), (28, 11452352), (32, 10020808), (56, 5726176), (64, 5010404), (112, 2863088), (127, 2524928), (128, 2505202), (224, 1431544), (254, 1262464), (256, 1252601), (448, 715772), (508, 631232), (889, 360704), (896, 357886), (1016, 315616), (1409, 227584), (1778, 180352), (1792, 178943), (2032, 157808), (2818, 113792), (3556, 90176), (4064, 78904), (5636, 56896), (7112, 45088), (8128, 39452), (9863, 32512), (11272, 28448), (14224, 22544), (16256, 19726)]