123555520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3191}}^1$

素因数の和:3230

約数の個数: 84

約数和(自身を含む): 323496432

約数和(自身を除く): 199940912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3191, 3520, 3872, 4840, 6382, 7744, 9680, 12764, 15955, 19360, 25528, 31910, 35101, 38720, 51056, 63820, 70202, 102112, 127640, 140404, 175505, 204224, 255280, 280808, 351010, 386111, 510560, 561616, 702020, 772222, 1021120, 1123232, 1404040, 1544444, 1930555, 2246464, 2808080, 3088888, 3861110, 5616160, 6177776, 7722220, 11232320, 12355552, 15444440, 24711104, 30888880, 61777760, 123555520]

約数ペア:

[(1, 123555520), (2, 61777760), (4, 30888880), (5, 24711104), (8, 15444440), (10, 12355552), (11, 11232320), (16, 7722220), (20, 6177776), (22, 5616160), (32, 3861110), (40, 3088888), (44, 2808080), (55, 2246464), (64, 1930555), (80, 1544444), (88, 1404040), (110, 1123232), (121, 1021120), (160, 772222), (176, 702020), (220, 561616), (242, 510560), (320, 386111), (352, 351010), (440, 280808), (484, 255280), (605, 204224), (704, 175505), (880, 140404), (968, 127640), (1210, 102112), (1760, 70202), (1936, 63820), (2420, 51056), (3191, 38720), (3520, 35101), (3872, 31910), (4840, 25528), (6382, 19360), (7744, 15955), (9680, 12764)]