138871440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192877}}^1$

素因数の和:192896

約数の個数: 60

約数和(自身を含む): 466379004

約数和(自身を除く): 327507564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192877, 385754, 578631, 771508, 964385, 1157262, 1543016, 1735893, 1928770, 2314524, 2893155, 3086032, 3471786, 3857540, 4629048, 5786310, 6943572, 7715080, 8679465, 9258096, 11572620, 13887144, 15430160, 17358930, 23145240, 27774288, 34717860, 46290480, 69435720, 138871440]

約数ペア:

[(1, 138871440), (2, 69435720), (3, 46290480), (4, 34717860), (5, 27774288), (6, 23145240), (8, 17358930), (9, 15430160), (10, 13887144), (12, 11572620), (15, 9258096), (16, 8679465), (18, 7715080), (20, 6943572), (24, 5786310), (30, 4629048), (36, 3857540), (40, 3471786), (45, 3086032), (48, 2893155), (60, 2314524), (72, 1928770), (80, 1735893), (90, 1543016), (120, 1157262), (144, 964385), (180, 771508), (240, 578631), (360, 385754), (720, 192877)]