81045840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{337691}}^1$

素因数の和:337707

約数の個数: 40

約数和(自身を含む): 251242848

約数和(自身を除く): 170197008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337691, 675382, 1013073, 1350764, 1688455, 2026146, 2701528, 3376910, 4052292, 5065365, 5403056, 6753820, 8104584, 10130730, 13507640, 16209168, 20261460, 27015280, 40522920, 81045840]

約数ペア:

[(1, 81045840), (2, 40522920), (3, 27015280), (4, 20261460), (5, 16209168), (6, 13507640), (8, 10130730), (10, 8104584), (12, 6753820), (15, 5403056), (16, 5065365), (20, 4052292), (24, 3376910), (30, 2701528), (40, 2026146), (48, 1688455), (60, 1350764), (80, 1013073), (120, 675382), (240, 337691)]