81238440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{676987}}^1$

素因数の和:677001

約数の個数: 32

約数和(自身を含む): 243715680

約数和(自身を除く): 162477240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 676987, 1353974, 2030961, 2707948, 3384935, 4061922, 5415896, 6769870, 8123844, 10154805, 13539740, 16247688, 20309610, 27079480, 40619220, 81238440]

約数ペア:

[(1, 81238440), (2, 40619220), (3, 27079480), (4, 20309610), (5, 16247688), (6, 13539740), (8, 10154805), (10, 8123844), (12, 6769870), (15, 5415896), (20, 4061922), (24, 3384935), (30, 2707948), (40, 2030961), (60, 1353974), (120, 676987)]