80871726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 184988160

約数和(自身を除く): 104116434

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 61, 69, 78, 122, 138, 183, 299, 366, 598, 739, 793, 897, 1403, 1478, 1586, 1794, 2217, 2379, 2806, 4209, 4434, 4758, 8418, 9607, 16997, 18239, 19214, 28821, 33994, 36478, 45079, 50991, 54717, 57642, 90158, 101982, 109434, 135237, 220961, 270474, 441922, 586027, 662883, 1036817, 1172054, 1325766, 1758081, 2073634, 3110451, 3516162, 6220902, 13478621, 26957242, 40435863, 80871726]

約数ペア:

[(1, 80871726), (2, 40435863), (3, 26957242), (6, 13478621), (13, 6220902), (23, 3516162), (26, 3110451), (39, 2073634), (46, 1758081), (61, 1325766), (69, 1172054), (78, 1036817), (122, 662883), (138, 586027), (183, 441922), (299, 270474), (366, 220961), (598, 135237), (739, 109434), (793, 101982), (897, 90158), (1403, 57642), (1478, 54717), (1586, 50991), (1794, 45079), (2217, 36478), (2379, 33994), (2806, 28821), (4209, 19214), (4434, 18239), (4758, 16997), (8418, 9607)]