81563856

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{863}}^1$

素因数の和:1064

約数の個数: 80

約数和(自身を含む): 231413760

約数和(自身を除く): 149849904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 179, 264, 358, 528, 537, 716, 863, 1074, 1432, 1726, 1969, 2148, 2589, 2864, 3452, 3938, 4296, 5178, 5907, 6904, 7876, 8592, 9493, 10356, 11814, 13808, 15752, 18986, 20712, 23628, 28479, 31504, 37972, 41424, 47256, 56958, 75944, 94512, 113916, 151888, 154477, 227832, 308954, 455664, 463431, 617908, 926862, 1235816, 1699247, 1853724, 2471632, 3398494, 3707448, 5097741, 6796988, 7414896, 10195482, 13593976, 20390964, 27187952, 40781928, 81563856]

約数ペア:

[(1, 81563856), (2, 40781928), (3, 27187952), (4, 20390964), (6, 13593976), (8, 10195482), (11, 7414896), (12, 6796988), (16, 5097741), (22, 3707448), (24, 3398494), (33, 2471632), (44, 1853724), (48, 1699247), (66, 1235816), (88, 926862), (132, 617908), (176, 463431), (179, 455664), (264, 308954), (358, 227832), (528, 154477), (537, 151888), (716, 113916), (863, 94512), (1074, 75944), (1432, 56958), (1726, 47256), (1969, 41424), (2148, 37972), (2589, 31504), (2864, 28479), (3452, 23628), (3938, 20712), (4296, 18986), (5178, 15752), (5907, 13808), (6904, 11814), (7876, 10356), (8592, 9493)]