77561440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 202051584

約数和(自身を除く): 124490144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 127, 160, 176, 220, 254, 347, 352, 440, 508, 635, 694, 880, 1016, 1270, 1388, 1397, 1735, 1760, 2032, 2540, 2776, 2794, 3470, 3817, 4064, 5080, 5552, 5588, 6940, 6985, 7634, 10160, 11104, 11176, 13880, 13970, 15268, 19085, 20320, 22352, 27760, 27940, 30536, 38170, 44069, 44704, 55520, 55880, 61072, 76340, 88138, 111760, 122144, 152680, 176276, 220345, 223520, 305360, 352552, 440690, 484759, 610720, 705104, 881380, 969518, 1410208, 1762760, 1939036, 2423795, 3525520, 3878072, 4847590, 7051040, 7756144, 9695180, 15512288, 19390360, 38780720, 77561440]

約数ペア:

[(1, 77561440), (2, 38780720), (4, 19390360), (5, 15512288), (8, 9695180), (10, 7756144), (11, 7051040), (16, 4847590), (20, 3878072), (22, 3525520), (32, 2423795), (40, 1939036), (44, 1762760), (55, 1410208), (80, 969518), (88, 881380), (110, 705104), (127, 610720), (160, 484759), (176, 440690), (220, 352552), (254, 305360), (347, 223520), (352, 220345), (440, 176276), (508, 152680), (635, 122144), (694, 111760), (880, 88138), (1016, 76340), (1270, 61072), (1388, 55880), (1397, 55520), (1735, 44704), (1760, 44069), (2032, 38170), (2540, 30536), (2776, 27940), (2794, 27760), (3470, 22352), (3817, 20320), (4064, 19085), (5080, 15268), (5552, 13970), (5588, 13880), (6940, 11176), (6985, 11104), (7634, 10160)]