206787120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{861613}}^1$

素因数の和:861629

約数の個数: 40

約数和(自身を含む): 641040816

約数和(自身を除く): 434253696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 861613, 1723226, 2584839, 3446452, 4308065, 5169678, 6892904, 8616130, 10339356, 12924195, 13785808, 17232260, 20678712, 25848390, 34464520, 41357424, 51696780, 68929040, 103393560, 206787120]

約数ペア:

[(1, 206787120), (2, 103393560), (3, 68929040), (4, 51696780), (5, 41357424), (6, 34464520), (8, 25848390), (10, 20678712), (12, 17232260), (15, 13785808), (16, 12924195), (20, 10339356), (24, 8616130), (30, 6892904), (40, 5169678), (48, 4308065), (60, 3446452), (80, 2584839), (120, 1723226), (240, 861613)]