128129220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{711829}}^1$

素因数の和:711844

約数の個数: 36

約数和(自身を含む): 388659180

約数和(自身を除く): 260529960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 711829, 1423658, 2135487, 2847316, 3559145, 4270974, 6406461, 7118290, 8541948, 10677435, 12812922, 14236580, 21354870, 25625844, 32032305, 42709740, 64064610, 128129220]

約数ペア:

[(1, 128129220), (2, 64064610), (3, 42709740), (4, 32032305), (5, 25625844), (6, 21354870), (9, 14236580), (10, 12812922), (12, 10677435), (15, 8541948), (18, 7118290), (20, 6406461), (30, 4270974), (36, 3559145), (45, 2847316), (60, 2135487), (90, 1423658), (180, 711829)]