479280720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1997003}}^1$

素因数の和:1997019

約数の個数: 40

約数和(自身を含む): 1485770976

約数和(自身を除く): 1006490256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1997003, 3994006, 5991009, 7988012, 9985015, 11982018, 15976024, 19970030, 23964036, 29955045, 31952048, 39940060, 47928072, 59910090, 79880120, 95856144, 119820180, 159760240, 239640360, 479280720]

約数ペア:

[(1, 479280720), (2, 239640360), (3, 159760240), (4, 119820180), (5, 95856144), (6, 79880120), (8, 59910090), (10, 47928072), (12, 39940060), (15, 31952048), (16, 29955045), (20, 23964036), (24, 19970030), (30, 15976024), (40, 11982018), (48, 9985015), (60, 7988012), (80, 5991009), (120, 3994006), (240, 1997003)]