78799920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328333}}^1$

素因数の和:328349

約数の個数: 40

約数和(自身を含む): 244280496

約数和(自身を除く): 165480576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328333, 656666, 984999, 1313332, 1641665, 1969998, 2626664, 3283330, 3939996, 4924995, 5253328, 6566660, 7879992, 9849990, 13133320, 15759984, 19699980, 26266640, 39399960, 78799920]

約数ペア:

[(1, 78799920), (2, 39399960), (3, 26266640), (4, 19699980), (5, 15759984), (6, 13133320), (8, 9849990), (10, 7879992), (12, 6566660), (15, 5253328), (16, 4924995), (20, 3939996), (24, 3283330), (30, 2626664), (40, 1969998), (48, 1641665), (60, 1313332), (80, 984999), (120, 656666), (240, 328333)]