78873360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328639}}^1$

素因数の和:328655

約数の個数: 40

約数和(自身を含む): 244508160

約数和(自身を除く): 165634800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328639, 657278, 985917, 1314556, 1643195, 1971834, 2629112, 3286390, 3943668, 4929585, 5258224, 6572780, 7887336, 9859170, 13145560, 15774672, 19718340, 26291120, 39436680, 78873360]

約数ペア:

[(1, 78873360), (2, 39436680), (3, 26291120), (4, 19718340), (5, 15774672), (6, 13145560), (8, 9859170), (10, 7887336), (12, 6572780), (15, 5258224), (16, 4929585), (20, 3943668), (24, 3286390), (30, 2629112), (40, 1971834), (48, 1643195), (60, 1314556), (80, 985917), (120, 657278), (240, 328639)]