128224740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{305297}}^1$

素因数の和:305316

約数の個数: 48

約数和(自身を含む): 410320512

約数和(自身を除く): 282095772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 305297, 610594, 915891, 1221188, 1526485, 1831782, 2137079, 3052970, 3663564, 4274158, 4579455, 6105940, 6411237, 8548316, 9158910, 10685395, 12822474, 18317820, 21370790, 25644948, 32056185, 42741580, 64112370, 128224740]

約数ペア:

[(1, 128224740), (2, 64112370), (3, 42741580), (4, 32056185), (5, 25644948), (6, 21370790), (7, 18317820), (10, 12822474), (12, 10685395), (14, 9158910), (15, 8548316), (20, 6411237), (21, 6105940), (28, 4579455), (30, 4274158), (35, 3663564), (42, 3052970), (60, 2137079), (70, 1831782), (84, 1526485), (105, 1221188), (140, 915891), (210, 610594), (420, 305297)]