81170180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 212319744

約数和(自身を除く): 131149564

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 103, 130, 140, 182, 206, 260, 364, 412, 433, 455, 515, 721, 866, 910, 1030, 1339, 1442, 1732, 1820, 2060, 2165, 2678, 2884, 3031, 3605, 4330, 5356, 5629, 6062, 6695, 7210, 8660, 9373, 11258, 12124, 13390, 14420, 15155, 18746, 22516, 26780, 28145, 30310, 37492, 39403, 44599, 46865, 56290, 60620, 78806, 89198, 93730, 112580, 157612, 178396, 187460, 197015, 222995, 312193, 394030, 445990, 579787, 624386, 788060, 891980, 1159574, 1248772, 1560965, 2319148, 2898935, 3121930, 4058509, 5797870, 6243860, 8117018, 11595740, 16234036, 20292545, 40585090, 81170180]

約数ペア:

[(1, 81170180), (2, 40585090), (4, 20292545), (5, 16234036), (7, 11595740), (10, 8117018), (13, 6243860), (14, 5797870), (20, 4058509), (26, 3121930), (28, 2898935), (35, 2319148), (52, 1560965), (65, 1248772), (70, 1159574), (91, 891980), (103, 788060), (130, 624386), (140, 579787), (182, 445990), (206, 394030), (260, 312193), (364, 222995), (412, 197015), (433, 187460), (455, 178396), (515, 157612), (721, 112580), (866, 93730), (910, 89198), (1030, 78806), (1339, 60620), (1442, 56290), (1732, 46865), (1820, 44599), (2060, 39403), (2165, 37492), (2678, 30310), (2884, 28145), (3031, 26780), (3605, 22516), (4330, 18746), (5356, 15155), (5629, 14420), (6062, 13390), (6695, 12124), (7210, 11258), (8660, 9373)]