81237936

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1414

約数の個数: 80

約数和(自身を含む): 228422880

約数和(自身を除く): 147184944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 101, 104, 156, 202, 208, 303, 312, 404, 606, 624, 808, 1212, 1289, 1313, 1616, 2424, 2578, 2626, 3867, 3939, 4848, 5156, 5252, 7734, 7878, 10312, 10504, 15468, 15756, 16757, 20624, 21008, 30936, 31512, 33514, 50271, 61872, 63024, 67028, 100542, 130189, 134056, 201084, 260378, 268112, 390567, 402168, 520756, 781134, 804336, 1041512, 1562268, 1692457, 2083024, 3124536, 3384914, 5077371, 6249072, 6769828, 10154742, 13539656, 20309484, 27079312, 40618968, 81237936]

約数ペア:

[(1, 81237936), (2, 40618968), (3, 27079312), (4, 20309484), (6, 13539656), (8, 10154742), (12, 6769828), (13, 6249072), (16, 5077371), (24, 3384914), (26, 3124536), (39, 2083024), (48, 1692457), (52, 1562268), (78, 1041512), (101, 804336), (104, 781134), (156, 520756), (202, 402168), (208, 390567), (303, 268112), (312, 260378), (404, 201084), (606, 134056), (624, 130189), (808, 100542), (1212, 67028), (1289, 63024), (1313, 61872), (1616, 50271), (2424, 33514), (2578, 31512), (2626, 30936), (3867, 21008), (3939, 20624), (4848, 16757), (5156, 15756), (5252, 15468), (7734, 10504), (7878, 10312)]