868080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3617}}^1$

素因数の和:3633

約数の個数: 40

約数和(自身を含む): 2691792

約数和(自身を除く): 1823712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3617, 7234, 10851, 14468, 18085, 21702, 28936, 36170, 43404, 54255, 57872, 72340, 86808, 108510, 144680, 173616, 217020, 289360, 434040, 868080]

約数ペア:

[(1, 868080), (2, 434040), (3, 289360), (4, 217020), (5, 173616), (6, 144680), (8, 108510), (10, 86808), (12, 72340), (15, 57872), (16, 54255), (20, 43404), (24, 36170), (30, 28936), (40, 21702), (48, 18085), (60, 14468), (80, 10851), (120, 7234), (240, 3617)]