77787480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{648229}}^1$

素因数の和:648243

約数の個数: 32

約数和(自身を含む): 233362800

約数和(自身を除く): 155575320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 648229, 1296458, 1944687, 2592916, 3241145, 3889374, 5185832, 6482290, 7778748, 9723435, 12964580, 15557496, 19446870, 25929160, 38893740, 77787480]

約数ペア:

[(1, 77787480), (2, 38893740), (3, 25929160), (4, 19446870), (5, 15557496), (6, 12964580), (8, 9723435), (10, 7778748), (12, 6482290), (15, 5185832), (20, 3889374), (24, 3241145), (30, 2592916), (40, 1944687), (60, 1296458), (120, 648229)]