642721440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1339003}}^1$

素因数の和:1339021

約数の個数: 48

約数和(自身を含む): 2024574048

約数和(自身を除く): 1381852608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1339003, 2678006, 4017009, 5356012, 6695015, 8034018, 10712024, 13390030, 16068036, 20085045, 21424048, 26780060, 32136072, 40170090, 42848096, 53560120, 64272144, 80340180, 107120240, 128544288, 160680360, 214240480, 321360720, 642721440]

約数ペア:

[(1, 642721440), (2, 321360720), (3, 214240480), (4, 160680360), (5, 128544288), (6, 107120240), (8, 80340180), (10, 64272144), (12, 53560120), (15, 42848096), (16, 40170090), (20, 32136072), (24, 26780060), (30, 21424048), (32, 20085045), (40, 16068036), (48, 13390030), (60, 10712024), (80, 8034018), (96, 6695015), (120, 5356012), (160, 4017009), (240, 2678006), (480, 1339003)]