138520440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{384779}}^1$

素因数の和:384796

約数の個数: 48

約数和(自身を含む): 450192600

約数和(自身を除く): 311672160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 384779, 769558, 1154337, 1539116, 1923895, 2308674, 3078232, 3463011, 3847790, 4617348, 5771685, 6926022, 7695580, 9234696, 11543370, 13852044, 15391160, 17315055, 23086740, 27704088, 34630110, 46173480, 69260220, 138520440]

約数ペア:

[(1, 138520440), (2, 69260220), (3, 46173480), (4, 34630110), (5, 27704088), (6, 23086740), (8, 17315055), (9, 15391160), (10, 13852044), (12, 11543370), (15, 9234696), (18, 7695580), (20, 6926022), (24, 5771685), (30, 4617348), (36, 3847790), (40, 3463011), (45, 3078232), (60, 2308674), (72, 1923895), (90, 1539116), (120, 1154337), (180, 769558), (360, 384779)]