81718440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680987}}^1$

素因数の和:681001

約数の個数: 32

約数和(自身を含む): 245155680

約数和(自身を除く): 163437240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680987, 1361974, 2042961, 2723948, 3404935, 4085922, 5447896, 6809870, 8171844, 10214805, 13619740, 16343688, 20429610, 27239480, 40859220, 81718440]

約数ペア:

[(1, 81718440), (2, 40859220), (3, 27239480), (4, 20429610), (5, 16343688), (6, 13619740), (8, 10214805), (10, 8171844), (12, 6809870), (15, 5447896), (20, 4085922), (24, 3404935), (30, 2723948), (40, 2042961), (60, 1361974), (120, 680987)]