128432820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3329}}^1$

素因数の和:3984

約数の個数: 48

約数和(自身を含む): 360279360

約数和(自身を除く): 231846540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3329, 3858, 6430, 6658, 7716, 9645, 9987, 12860, 13316, 16645, 19290, 19974, 33290, 38580, 39948, 49935, 66580, 99870, 199740, 2140547, 4281094, 6421641, 8562188, 10702735, 12843282, 21405470, 25686564, 32108205, 42810940, 64216410, 128432820]

約数ペア:

[(1, 128432820), (2, 64216410), (3, 42810940), (4, 32108205), (5, 25686564), (6, 21405470), (10, 12843282), (12, 10702735), (15, 8562188), (20, 6421641), (30, 4281094), (60, 2140547), (643, 199740), (1286, 99870), (1929, 66580), (2572, 49935), (3215, 39948), (3329, 38580), (3858, 33290), (6430, 19974), (6658, 19290), (7716, 16645), (9645, 13316), (9987, 12860)]