81944880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3191}}^1$

素因数の和:3314

約数の個数: 80

約数和(自身を含む): 256483584

約数和(自身を除く): 174538704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3191, 3210, 4280, 5136, 6382, 6420, 8560, 9573, 12764, 12840, 15955, 19146, 25528, 25680, 31910, 38292, 47865, 51056, 63820, 76584, 95730, 127640, 153168, 191460, 255280, 341437, 382920, 682874, 765840, 1024311, 1365748, 1707185, 2048622, 2731496, 3414370, 4097244, 5121555, 5462992, 6828740, 8194488, 10243110, 13657480, 16388976, 20486220, 27314960, 40972440, 81944880]

約数ペア:

[(1, 81944880), (2, 40972440), (3, 27314960), (4, 20486220), (5, 16388976), (6, 13657480), (8, 10243110), (10, 8194488), (12, 6828740), (15, 5462992), (16, 5121555), (20, 4097244), (24, 3414370), (30, 2731496), (40, 2048622), (48, 1707185), (60, 1365748), (80, 1024311), (107, 765840), (120, 682874), (214, 382920), (240, 341437), (321, 255280), (428, 191460), (535, 153168), (642, 127640), (856, 95730), (1070, 76584), (1284, 63820), (1605, 51056), (1712, 47865), (2140, 38292), (2568, 31910), (3191, 25680), (3210, 25528), (4280, 19146), (5136, 15955), (6382, 12840), (6420, 12764), (8560, 9573)]