81325944

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{17929}}^1$

素因数の和:17954

約数の個数: 80

約数和(自身を含む): 260343600

約数和(自身を除く): 179017656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 17929, 35858, 53787, 71716, 107574, 125503, 143432, 161361, 215148, 251006, 322722, 376509, 430296, 484083, 502012, 645444, 753018, 968166, 1004024, 1129527, 1290888, 1452249, 1506036, 1936332, 2259054, 2904498, 3012072, 3388581, 3872664, 4518108, 5808996, 6777162, 9036216, 10165743, 11617992, 13554324, 20331486, 27108648, 40662972, 81325944]

約数ペア:

[(1, 81325944), (2, 40662972), (3, 27108648), (4, 20331486), (6, 13554324), (7, 11617992), (8, 10165743), (9, 9036216), (12, 6777162), (14, 5808996), (18, 4518108), (21, 3872664), (24, 3388581), (27, 3012072), (28, 2904498), (36, 2259054), (42, 1936332), (54, 1506036), (56, 1452249), (63, 1290888), (72, 1129527), (81, 1004024), (84, 968166), (108, 753018), (126, 645444), (162, 502012), (168, 484083), (189, 430296), (216, 376509), (252, 322722), (324, 251006), (378, 215148), (504, 161361), (567, 143432), (648, 125503), (756, 107574), (1134, 71716), (1512, 53787), (2268, 35858), (4536, 17929)]