161008064720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{224947}}^1$

素因数の和:225372

約数の個数: 80

約数和(自身を含む): 391625470080

約数和(自身を除く): 230617405360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 389, 460, 778, 920, 1556, 1840, 1945, 3112, 3890, 6224, 7780, 8947, 15560, 17894, 31120, 35788, 44735, 71576, 89470, 143152, 178940, 224947, 357880, 449894, 715760, 899788, 1124735, 1799576, 2249470, 3599152, 4498940, 5173781, 8997880, 10347562, 17995760, 20695124, 25868905, 41390248, 51737810, 82780496, 87504383, 103475620, 175008766, 206951240, 350017532, 413902480, 437521915, 700035064, 875043830, 1400070128, 1750087660, 2012600809, 3500175320, 4025201618, 7000350640, 8050403236, 10063004045, 16100806472, 20126008090, 32201612944, 40252016180, 80504032360, 161008064720]

約数ペア:

[(1, 161008064720), (2, 80504032360), (4, 40252016180), (5, 32201612944), (8, 20126008090), (10, 16100806472), (16, 10063004045), (20, 8050403236), (23, 7000350640), (40, 4025201618), (46, 3500175320), (80, 2012600809), (92, 1750087660), (115, 1400070128), (184, 875043830), (230, 700035064), (368, 437521915), (389, 413902480), (460, 350017532), (778, 206951240), (920, 175008766), (1556, 103475620), (1840, 87504383), (1945, 82780496), (3112, 51737810), (3890, 41390248), (6224, 25868905), (7780, 20695124), (8947, 17995760), (15560, 10347562), (17894, 8997880), (31120, 5173781), (35788, 4498940), (44735, 3599152), (71576, 2249470), (89470, 1799576), (143152, 1124735), (178940, 899788), (224947, 715760), (357880, 449894)]