80672520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{672271}}^1$

素因数の和:672285

約数の個数: 32

約数和(自身を含む): 242017920

約数和(自身を除く): 161345400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 672271, 1344542, 2016813, 2689084, 3361355, 4033626, 5378168, 6722710, 8067252, 10084065, 13445420, 16134504, 20168130, 26890840, 40336260, 80672520]

約数ペア:

[(1, 80672520), (2, 40336260), (3, 26890840), (4, 20168130), (5, 16134504), (6, 13445420), (8, 10084065), (10, 8067252), (12, 6722710), (15, 5378168), (20, 4033626), (24, 3361355), (30, 2689084), (40, 2016813), (60, 1344542), (120, 672271)]