778879740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{12981329}}^1$

素因数の和:12981341

約数の個数: 24

約数和(自身を含む): 2180863440

約数和(自身を除く): 1401983700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 12981329, 25962658, 38943987, 51925316, 64906645, 77887974, 129813290, 155775948, 194719935, 259626580, 389439870, 778879740]

約数ペア:

[(1, 778879740), (2, 389439870), (3, 259626580), (4, 194719935), (5, 155775948), (6, 129813290), (10, 77887974), (12, 64906645), (15, 51925316), (20, 38943987), (30, 25962658), (60, 12981329)]