42000720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{175003}}^1$

素因数の和:175019

約数の個数: 40

約数和(自身を含む): 130202976

約数和(自身を除く): 88202256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 175003, 350006, 525009, 700012, 875015, 1050018, 1400024, 1750030, 2100036, 2625045, 2800048, 3500060, 4200072, 5250090, 7000120, 8400144, 10500180, 14000240, 21000360, 42000720]

約数ペア:

[(1, 42000720), (2, 21000360), (3, 14000240), (4, 10500180), (5, 8400144), (6, 7000120), (8, 5250090), (10, 4200072), (12, 3500060), (15, 2800048), (16, 2625045), (20, 2100036), (24, 1750030), (30, 1400024), (40, 1050018), (48, 875015), (60, 700012), (80, 525009), (120, 350006), (240, 175003)]