80278680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{668989}}^1$

素因数の和:669003

約数の個数: 32

約数和(自身を含む): 240836400

約数和(自身を除く): 160557720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 668989, 1337978, 2006967, 2675956, 3344945, 4013934, 5351912, 6689890, 8027868, 10034835, 13379780, 16055736, 20069670, 26759560, 40139340, 80278680]

約数ペア:

[(1, 80278680), (2, 40139340), (3, 26759560), (4, 20069670), (5, 16055736), (6, 13379780), (8, 10034835), (10, 8027868), (12, 6689890), (15, 5351912), (20, 4013934), (24, 3344945), (30, 2675956), (40, 2006967), (60, 1337978), (120, 668989)]