821880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{761}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 2743200

約数和(自身を除く): 1921320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 761, 1080, 1522, 2283, 3044, 3805, 4566, 6088, 6849, 7610, 9132, 11415, 13698, 15220, 18264, 20547, 22830, 27396, 30440, 34245, 41094, 45660, 54792, 68490, 82188, 91320, 102735, 136980, 164376, 205470, 273960, 410940, 821880]

約数ペア:

[(1, 821880), (2, 410940), (3, 273960), (4, 205470), (5, 164376), (6, 136980), (8, 102735), (9, 91320), (10, 82188), (12, 68490), (15, 54792), (18, 45660), (20, 41094), (24, 34245), (27, 30440), (30, 27396), (36, 22830), (40, 20547), (45, 18264), (54, 15220), (60, 13698), (72, 11415), (90, 9132), (108, 7610), (120, 6849), (135, 6088), (180, 4566), (216, 3805), (270, 3044), (360, 2283), (540, 1522), (761, 1080)]