65920760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 156902400

約数和(自身を除く): 90981640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 907, 920, 1580, 1814, 1817, 3160, 3628, 3634, 4535, 7256, 7268, 9070, 9085, 14536, 18140, 18170, 20861, 36280, 36340, 41722, 71653, 72680, 83444, 104305, 143306, 166888, 208610, 286612, 358265, 417220, 573224, 716530, 834440, 1433060, 1648019, 2866120, 3296038, 6592076, 8240095, 13184152, 16480190, 32960380, 65920760]

約数ペア:

[(1, 65920760), (2, 32960380), (4, 16480190), (5, 13184152), (8, 8240095), (10, 6592076), (20, 3296038), (23, 2866120), (40, 1648019), (46, 1433060), (79, 834440), (92, 716530), (115, 573224), (158, 417220), (184, 358265), (230, 286612), (316, 208610), (395, 166888), (460, 143306), (632, 104305), (790, 83444), (907, 72680), (920, 71653), (1580, 41722), (1814, 36340), (1817, 36280), (3160, 20861), (3628, 18170), (3634, 18140), (4535, 14536), (7256, 9085), (7268, 9070)]