3120080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 7431072

約数和(自身を除く): 4310992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 907, 1720, 1814, 3440, 3628, 4535, 7256, 9070, 14512, 18140, 36280, 39001, 72560, 78002, 156004, 195005, 312008, 390010, 624016, 780020, 1560040, 3120080]

約数ペア:

[(1, 3120080), (2, 1560040), (4, 780020), (5, 624016), (8, 390010), (10, 312008), (16, 195005), (20, 156004), (40, 78002), (43, 72560), (80, 39001), (86, 36280), (172, 18140), (215, 14512), (344, 9070), (430, 7256), (688, 4535), (860, 3628), (907, 3440), (1720, 1814)]