38309940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 116739168

約数和(自身を除く): 78429228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 643, 662, 993, 1286, 1324, 1655, 1929, 1986, 2572, 2979, 3215, 3310, 3858, 3972, 4965, 5787, 5958, 6430, 6620, 7716, 9645, 9930, 11574, 11916, 12860, 14895, 19290, 19860, 23148, 28935, 29790, 38580, 57870, 59580, 115740, 212833, 425666, 638499, 851332, 1064165, 1276998, 1915497, 2128330, 2553996, 3192495, 3830994, 4256660, 6384990, 7661988, 9577485, 12769980, 19154970, 38309940]

約数ペア:

[(1, 38309940), (2, 19154970), (3, 12769980), (4, 9577485), (5, 7661988), (6, 6384990), (9, 4256660), (10, 3830994), (12, 3192495), (15, 2553996), (18, 2128330), (20, 1915497), (30, 1276998), (36, 1064165), (45, 851332), (60, 638499), (90, 425666), (180, 212833), (331, 115740), (643, 59580), (662, 57870), (993, 38580), (1286, 29790), (1324, 28935), (1655, 23148), (1929, 19860), (1986, 19290), (2572, 14895), (2979, 12860), (3215, 11916), (3310, 11574), (3858, 9930), (3972, 9645), (4965, 7716), (5787, 6620), (5958, 6430)]