18240720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{76003}}^1$

素因数の和:76019

約数の個数: 40

約数和(自身を含む): 56546976

約数和(自身を除く): 38306256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 76003, 152006, 228009, 304012, 380015, 456018, 608024, 760030, 912036, 1140045, 1216048, 1520060, 1824072, 2280090, 3040120, 3648144, 4560180, 6080240, 9120360, 18240720]

約数ペア:

[(1, 18240720), (2, 9120360), (3, 6080240), (4, 4560180), (5, 3648144), (6, 3040120), (8, 2280090), (10, 1824072), (12, 1520060), (15, 1216048), (16, 1140045), (20, 912036), (24, 760030), (30, 608024), (40, 456018), (48, 380015), (60, 304012), (80, 228009), (120, 152006), (240, 76003)]