218376240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{909901}}^1$

素因数の和:909917

約数の個数: 40

約数和(自身を含む): 676967088

約数和(自身を除く): 458590848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 909901, 1819802, 2729703, 3639604, 4549505, 5459406, 7279208, 9099010, 10918812, 13648515, 14558416, 18198020, 21837624, 27297030, 36396040, 43675248, 54594060, 72792080, 109188120, 218376240]

約数ペア:

[(1, 218376240), (2, 109188120), (3, 72792080), (4, 54594060), (5, 43675248), (6, 36396040), (8, 27297030), (10, 21837624), (12, 18198020), (15, 14558416), (16, 13648515), (20, 10918812), (24, 9099010), (30, 7279208), (40, 5459406), (48, 4549505), (60, 3639604), (80, 2729703), (120, 1819802), (240, 909901)]