80879988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2053}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 222916512

約数和(自身を除く): 142036524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 804, 938, 1407, 1876, 2053, 2814, 3283, 4106, 5628, 6159, 6566, 8212, 9849, 12318, 13132, 14371, 19698, 24636, 28742, 39396, 43113, 57484, 86226, 100597, 137551, 172452, 201194, 275102, 301791, 402388, 412653, 550204, 603582, 825306, 962857, 1207164, 1650612, 1925714, 2888571, 3851428, 5777142, 6739999, 11554284, 13479998, 20219997, 26959996, 40439994, 80879988]

約数ペア:

[(1, 80879988), (2, 40439994), (3, 26959996), (4, 20219997), (6, 13479998), (7, 11554284), (12, 6739999), (14, 5777142), (21, 3851428), (28, 2888571), (42, 1925714), (49, 1650612), (67, 1207164), (84, 962857), (98, 825306), (134, 603582), (147, 550204), (196, 412653), (201, 402388), (268, 301791), (294, 275102), (402, 201194), (469, 172452), (588, 137551), (804, 100597), (938, 86226), (1407, 57484), (1876, 43113), (2053, 39396), (2814, 28742), (3283, 24636), (4106, 19698), (5628, 14371), (6159, 13132), (6566, 12318), (8212, 9849)]