8487920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 23569920

約数和(自身を除く): 15082000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 659, 805, 920, 1288, 1318, 1610, 1840, 2576, 2636, 3220, 3295, 4613, 5272, 6440, 6590, 9226, 10544, 12880, 13180, 15157, 18452, 23065, 26360, 30314, 36904, 46130, 52720, 60628, 73808, 75785, 92260, 106099, 121256, 151570, 184520, 212198, 242512, 303140, 369040, 424396, 530495, 606280, 848792, 1060990, 1212560, 1697584, 2121980, 4243960, 8487920]

約数ペア:

[(1, 8487920), (2, 4243960), (4, 2121980), (5, 1697584), (7, 1212560), (8, 1060990), (10, 848792), (14, 606280), (16, 530495), (20, 424396), (23, 369040), (28, 303140), (35, 242512), (40, 212198), (46, 184520), (56, 151570), (70, 121256), (80, 106099), (92, 92260), (112, 75785), (115, 73808), (140, 60628), (161, 52720), (184, 46130), (230, 36904), (280, 30314), (322, 26360), (368, 23065), (460, 18452), (560, 15157), (644, 13180), (659, 12880), (805, 10544), (920, 9226), (1288, 6590), (1318, 6440), (1610, 5272), (1840, 4613), (2576, 3295), (2636, 3220)]