179957920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66161}}^1$

素因数の和:66193

約数の個数: 48

約数和(自身を含む): 450166248

約数和(自身を除く): 270208328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 66161, 132322, 264644, 330805, 529288, 661610, 1058576, 1124737, 1323220, 2117152, 2249474, 2646440, 4498948, 5292880, 5623685, 8997896, 10585760, 11247370, 17995792, 22494740, 35991584, 44989480, 89978960, 179957920]

約数ペア:

[(1, 179957920), (2, 89978960), (4, 44989480), (5, 35991584), (8, 22494740), (10, 17995792), (16, 11247370), (17, 10585760), (20, 8997896), (32, 5623685), (34, 5292880), (40, 4498948), (68, 2646440), (80, 2249474), (85, 2117152), (136, 1323220), (160, 1124737), (170, 1058576), (272, 661610), (340, 529288), (544, 330805), (680, 264644), (1360, 132322), (2720, 66161)]