18120720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{75503}}^1$

素因数の和:75519

約数の個数: 40

約数和(自身を含む): 56174976

約数和(自身を除く): 38054256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 75503, 151006, 226509, 302012, 377515, 453018, 604024, 755030, 906036, 1132545, 1208048, 1510060, 1812072, 2265090, 3020120, 3624144, 4530180, 6040240, 9060360, 18120720]

約数ペア:

[(1, 18120720), (2, 9060360), (3, 6040240), (4, 4530180), (5, 3624144), (6, 3020120), (8, 2265090), (10, 1812072), (12, 1510060), (15, 1208048), (16, 1132545), (20, 906036), (24, 755030), (30, 604024), (40, 453018), (48, 377515), (60, 302012), (80, 226509), (120, 151006), (240, 75503)]