220173520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20693}}^1$

素因数の和:20732

約数の個数: 80

約数和(自身を含む): 615853440

約数和(自身を除く): 395679920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 20693, 41386, 82772, 103465, 144851, 165544, 206930, 289702, 331088, 393167, 413860, 579404, 724255, 786334, 827720, 1158808, 1448510, 1572668, 1655440, 1965835, 2317616, 2752169, 2897020, 3145336, 3931670, 5504338, 5794040, 6290672, 7863340, 11008676, 11588080, 13760845, 15726680, 22017352, 27521690, 31453360, 44034704, 55043380, 110086760, 220173520]

約数ペア:

[(1, 220173520), (2, 110086760), (4, 55043380), (5, 44034704), (7, 31453360), (8, 27521690), (10, 22017352), (14, 15726680), (16, 13760845), (19, 11588080), (20, 11008676), (28, 7863340), (35, 6290672), (38, 5794040), (40, 5504338), (56, 3931670), (70, 3145336), (76, 2897020), (80, 2752169), (95, 2317616), (112, 1965835), (133, 1655440), (140, 1572668), (152, 1448510), (190, 1158808), (266, 827720), (280, 786334), (304, 724255), (380, 579404), (532, 413860), (560, 393167), (665, 331088), (760, 289702), (1064, 206930), (1330, 165544), (1520, 144851), (2128, 103465), (2660, 82772), (5320, 41386), (10640, 20693)]