80381640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{669847}}^1$

素因数の和:669861

約数の個数: 32

約数和(自身を含む): 241145280

約数和(自身を除く): 160763640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 669847, 1339694, 2009541, 2679388, 3349235, 4019082, 5358776, 6698470, 8038164, 10047705, 13396940, 16076328, 20095410, 26793880, 40190820, 80381640]

約数ペア:

[(1, 80381640), (2, 40190820), (3, 26793880), (4, 20095410), (5, 16076328), (6, 13396940), (8, 10047705), (10, 8038164), (12, 6698470), (15, 5358776), (20, 4019082), (24, 3349235), (30, 2679388), (40, 2009541), (60, 1339694), (120, 669847)]