68297880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81307}}^1$

素因数の和:81328

約数の個数: 64

約数和(自身を含む): 234167040

約数和(自身を除く): 165869160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81307, 162614, 243921, 325228, 406535, 487842, 569149, 650456, 813070, 975684, 1138298, 1219605, 1626140, 1707447, 1951368, 2276596, 2439210, 2845745, 3252280, 3414894, 4553192, 4878420, 5691490, 6829788, 8537235, 9756840, 11382980, 13659576, 17074470, 22765960, 34148940, 68297880]

約数ペア:

[(1, 68297880), (2, 34148940), (3, 22765960), (4, 17074470), (5, 13659576), (6, 11382980), (7, 9756840), (8, 8537235), (10, 6829788), (12, 5691490), (14, 4878420), (15, 4553192), (20, 3414894), (21, 3252280), (24, 2845745), (28, 2439210), (30, 2276596), (35, 1951368), (40, 1707447), (42, 1626140), (56, 1219605), (60, 1138298), (70, 975684), (84, 813070), (105, 650456), (120, 569149), (140, 487842), (168, 406535), (210, 325228), (280, 243921), (420, 162614), (840, 81307)]