1272920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 3160080

約数和(自身を除く): 1887160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 263, 440, 484, 526, 605, 968, 1052, 1210, 1315, 2104, 2420, 2630, 2893, 4840, 5260, 5786, 10520, 11572, 14465, 23144, 28930, 31823, 57860, 63646, 115720, 127292, 159115, 254584, 318230, 636460, 1272920]

約数ペア:

[(1, 1272920), (2, 636460), (4, 318230), (5, 254584), (8, 159115), (10, 127292), (11, 115720), (20, 63646), (22, 57860), (40, 31823), (44, 28930), (55, 23144), (88, 14465), (110, 11572), (121, 10520), (220, 5786), (242, 5260), (263, 4840), (440, 2893), (484, 2630), (526, 2420), (605, 2104), (968, 1315), (1052, 1210)]