280792080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389989}}^1$

素因数の和:390008

約数の個数: 60

約数和(自身を含む): 942995820

約数和(自身を除く): 662203740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 389989, 779978, 1169967, 1559956, 1949945, 2339934, 3119912, 3509901, 3899890, 4679868, 5849835, 6239824, 7019802, 7799780, 9359736, 11699670, 14039604, 15599560, 17549505, 18719472, 23399340, 28079208, 31199120, 35099010, 46798680, 56158416, 70198020, 93597360, 140396040, 280792080]

約数ペア:

[(1, 280792080), (2, 140396040), (3, 93597360), (4, 70198020), (5, 56158416), (6, 46798680), (8, 35099010), (9, 31199120), (10, 28079208), (12, 23399340), (15, 18719472), (16, 17549505), (18, 15599560), (20, 14039604), (24, 11699670), (30, 9359736), (36, 7799780), (40, 7019802), (45, 6239824), (48, 5849835), (60, 4679868), (72, 3899890), (80, 3509901), (90, 3119912), (120, 2339934), (144, 1949945), (180, 1559956), (240, 1169967), (360, 779978), (720, 389989)]