81128512560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338035469}}^1$

素因数の和:338035485

約数の個数: 40

約数和(自身を含む): 251498389680

約数和(自身を除く): 170369877120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338035469, 676070938, 1014106407, 1352141876, 1690177345, 2028212814, 2704283752, 3380354690, 4056425628, 5070532035, 5408567504, 6760709380, 8112851256, 10141064070, 13521418760, 16225702512, 20282128140, 27042837520, 40564256280, 81128512560]

約数ペア:

[(1, 81128512560), (2, 40564256280), (3, 27042837520), (4, 20282128140), (5, 16225702512), (6, 13521418760), (8, 10141064070), (10, 8112851256), (12, 6760709380), (15, 5408567504), (16, 5070532035), (20, 4056425628), (24, 3380354690), (30, 2704283752), (40, 2028212814), (48, 1690177345), (60, 1352141876), (80, 1014106407), (120, 676070938), (240, 338035469)]