81256000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{1451}}^1$

素因数の和:1485

約数の個数: 112

約数和(自身を含む): 230136192

約数和(自身を除く): 148880192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 700, 800, 875, 1000, 1120, 1400, 1451, 1600, 1750, 2000, 2240, 2800, 2902, 3500, 4000, 5600, 5804, 7000, 7255, 8000, 10157, 11200, 11608, 14000, 14510, 20314, 23216, 28000, 29020, 36275, 40628, 46432, 50785, 56000, 58040, 72550, 81256, 92864, 101570, 116080, 145100, 162512, 181375, 203140, 232160, 253925, 290200, 325024, 362750, 406280, 464320, 507850, 580400, 650048, 725500, 812560, 1015700, 1160800, 1269625, 1451000, 1625120, 2031400, 2321600, 2539250, 2902000, 3250240, 4062800, 5078500, 5804000, 8125600, 10157000, 11608000, 16251200, 20314000, 40628000, 81256000]

約数ペア:

[(1, 81256000), (2, 40628000), (4, 20314000), (5, 16251200), (7, 11608000), (8, 10157000), (10, 8125600), (14, 5804000), (16, 5078500), (20, 4062800), (25, 3250240), (28, 2902000), (32, 2539250), (35, 2321600), (40, 2031400), (50, 1625120), (56, 1451000), (64, 1269625), (70, 1160800), (80, 1015700), (100, 812560), (112, 725500), (125, 650048), (140, 580400), (160, 507850), (175, 464320), (200, 406280), (224, 362750), (250, 325024), (280, 290200), (320, 253925), (350, 232160), (400, 203140), (448, 181375), (500, 162512), (560, 145100), (700, 116080), (800, 101570), (875, 92864), (1000, 81256), (1120, 72550), (1400, 58040), (1451, 56000), (1600, 50785), (1750, 46432), (2000, 40628), (2240, 36275), (2800, 29020), (2902, 28000), (3500, 23216), (4000, 20314), (5600, 14510), (5804, 14000), (7000, 11608), (7255, 11200), (8000, 10157)]