128646240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{268013}}^1$

素因数の和:268031

約数の個数: 48

約数和(自身を含む): 405237168

約数和(自身を除く): 276590928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 268013, 536026, 804039, 1072052, 1340065, 1608078, 2144104, 2680130, 3216156, 4020195, 4288208, 5360260, 6432312, 8040390, 8576416, 10720520, 12864624, 16080780, 21441040, 25729248, 32161560, 42882080, 64323120, 128646240]

約数ペア:

[(1, 128646240), (2, 64323120), (3, 42882080), (4, 32161560), (5, 25729248), (6, 21441040), (8, 16080780), (10, 12864624), (12, 10720520), (15, 8576416), (16, 8040390), (20, 6432312), (24, 5360260), (30, 4288208), (32, 4020195), (40, 3216156), (48, 2680130), (60, 2144104), (80, 1608078), (96, 1340065), (120, 1072052), (160, 804039), (240, 536026), (480, 268013)]