254520120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15259}}^1$

素因数の和:15412

約数の個数: 64

約数和(自身を含む): 769104000

約数和(自身を除く): 514583880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 15259, 16680, 30518, 45777, 61036, 76295, 91554, 122072, 152590, 183108, 228885, 305180, 366216, 457770, 610360, 915540, 1831080, 2121001, 4242002, 6363003, 8484004, 10605005, 12726006, 16968008, 21210010, 25452012, 31815015, 42420020, 50904024, 63630030, 84840040, 127260060, 254520120]

約数ペア:

[(1, 254520120), (2, 127260060), (3, 84840040), (4, 63630030), (5, 50904024), (6, 42420020), (8, 31815015), (10, 25452012), (12, 21210010), (15, 16968008), (20, 12726006), (24, 10605005), (30, 8484004), (40, 6363003), (60, 4242002), (120, 2121001), (139, 1831080), (278, 915540), (417, 610360), (556, 457770), (695, 366216), (834, 305180), (1112, 228885), (1390, 183108), (1668, 152590), (2085, 122072), (2780, 91554), (3336, 76295), (4170, 61036), (5560, 45777), (8340, 30518), (15259, 16680)]