206865840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{861941}}^1$

素因数の和:861957

約数の個数: 40

約数和(自身を含む): 641284848

約数和(自身を除く): 434419008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 861941, 1723882, 2585823, 3447764, 4309705, 5171646, 6895528, 8619410, 10343292, 12929115, 13791056, 17238820, 20686584, 25858230, 34477640, 41373168, 51716460, 68955280, 103432920, 206865840]

約数ペア:

[(1, 206865840), (2, 103432920), (3, 68955280), (4, 51716460), (5, 41373168), (6, 34477640), (8, 25858230), (10, 20686584), (12, 17238820), (15, 13791056), (16, 12929115), (20, 10343292), (24, 8619410), (30, 6895528), (40, 5171646), (48, 4309705), (60, 3447764), (80, 2585823), (120, 1723882), (240, 861941)]