890652560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21787}}^1$

素因数の和:21880

約数の個数: 80

約数和(自身を含む): 2399120256

約数和(自身を除く): 1508467696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 20440, 21787, 40880, 43574, 87148, 108935, 152509, 174296, 217870, 305018, 348592, 435740, 610036, 762545, 871480, 1220072, 1525090, 1590451, 1742960, 2440144, 3050180, 3180902, 6100360, 6361804, 7952255, 11133157, 12200720, 12723608, 15904510, 22266314, 25447216, 31809020, 44532628, 55665785, 63618040, 89065256, 111331570, 127236080, 178130512, 222663140, 445326280, 890652560]

約数ペア:

[(1, 890652560), (2, 445326280), (4, 222663140), (5, 178130512), (7, 127236080), (8, 111331570), (10, 89065256), (14, 63618040), (16, 55665785), (20, 44532628), (28, 31809020), (35, 25447216), (40, 22266314), (56, 15904510), (70, 12723608), (73, 12200720), (80, 11133157), (112, 7952255), (140, 6361804), (146, 6100360), (280, 3180902), (292, 3050180), (365, 2440144), (511, 1742960), (560, 1590451), (584, 1525090), (730, 1220072), (1022, 871480), (1168, 762545), (1460, 610036), (2044, 435740), (2555, 348592), (2920, 305018), (4088, 217870), (5110, 174296), (5840, 152509), (8176, 108935), (10220, 87148), (20440, 43574), (21787, 40880)]